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A1 noun #12 mais comum 11 min de leitura

frequency

Top 12

At the A1 level, 'frequency' is a word you might hear when talking about how often you do things. Think of it as a fancy way to say 'how often.' For example, if you go to school five days a week, that is your frequency. You don't need to use this word all the time yet; you can use words like 'always,' 'often,' or 'sometimes.' But if you see 'frequency' on a bus schedule or a health form, it just means 'how many times.' It is a noun, so we say 'The frequency of...' followed by an activity. It helps you start thinking about patterns in your day, like how many times you eat or sleep. It is a good word to know for basic forms and simple science lessons.

At the A2 level, you can start using 'frequency' to describe your habits and routines more clearly. Instead of just saying 'I go to the gym a lot,' you can say 'The frequency of my gym visits is high.' This makes your English sound a bit more organized. You will also see this word in basic science, like when talking about sound or light. You might learn that high frequency sounds are 'squeaky' and low frequency sounds are 'deep.' You should also know that 'frequency' is the noun form of 'frequent.' If you do something frequently, then the frequency is high. This level is about connecting the word to daily schedules and simple measurements.

At the B1 level, you should be comfortable using 'frequency' in both daily and semi-technical contexts. You might use it to discuss social trends, like the frequency of people using social media. You should also understand common collocations like 'high frequency,' 'low frequency,' and 'increasing frequency.' In this stage, you are moving beyond simple 'how often' and starting to use the word to analyze information. For example, in a business meeting, you might talk about the frequency of customer complaints. You are also expected to distinguish between 'frequency' and 'rate' in basic contexts. It is a useful word for writing reports or giving presentations about habits and data.

At the B2 level, 'frequency' becomes a tool for more detailed analysis and academic writing. You should be able to use it to describe complex patterns, such as the frequency of economic cycles or the frequency of specific grammatical structures in a text. You will encounter the word in more specialized fields like statistics (frequency distribution) and physics (electromagnetic frequency). At this level, you should also be aware of the nuances between 'frequency,' 'incidence,' and 'prevalence.' You can use the word to add precision to your arguments, moving away from vague qualifiers. Your ability to use 'frequency' in prepositional phrases like 'with alarming frequency' shows a higher level of fluency.

At the C1 level, you use 'frequency' with high precision and in diverse professional and academic settings. You understand its role in complex systems, such as frequency modulation in telecommunications or allele frequency in genetics. You can discuss the implications of frequency in data sets, identifying outliers and trends with ease. Your vocabulary includes sophisticated phrases like 'at an unprecedented frequency' or 'the frequency-dependent nature of the phenomenon.' You are also capable of using the word metaphorically, such as 'tuning into the same frequency' during a negotiation. At this level, 'frequency' is not just about 'how often' but about the fundamental structure of waves, data, and recurring events.

At the C2 level, your mastery of 'frequency' is complete, allowing you to use it in the most technical and abstract contexts. You can navigate complex discussions in quantum mechanics, signal processing, and advanced linguistics where frequency is a core variable. You are adept at using the word in highly formal writing, such as peer-reviewed journals or legal documents, where precision is paramount. You understand the historical etymology and how the concept has evolved across different scientific eras. Whether you are analyzing the spectral frequency of a star or the frequency of phonemes in a dead language, you use the term with the nuance and accuracy of a native-speaking expert.

Pratique Exemplos Notas e dicas

frequency em 30 segundos

Frequency measures how often an event repeats over a specific period, helping us understand patterns in daily life and scientific phenomena.
In physics, it refers to cycles per second (Hertz), while in statistics, it counts the occurrences of data points in a sample.
Commonly used with adjectives like 'high' or 'low,' it is a more formal and precise way to say 'how often' something happens.
It is a versatile noun essential for fields ranging from medicine and music to telecommunications and data analysis.

The word frequency is a versatile noun that primarily describes the rate at which something occurs or is repeated over a specific period of time. At its most basic level, it answers the question 'How often?' In everyday conversation, we use it to discuss habits, schedules, and recurring events. For instance, a doctor might ask about the frequency of your headaches, or a commuter might complain about the low frequency of trains on the weekend. Beyond daily life, frequency is a cornerstone of scientific and technical language. In physics, it refers to the number of cycles or vibrations per unit of time, such as the frequency of a sound wave or a radio signal. Understanding frequency allows us to quantify patterns in the world around us, moving from vague descriptions like 'sometimes' to precise measurements like 'five times per hour' or '60 Hertz.'

Daily Routine: In common parlance, frequency describes how many times an action is performed. If you go to the gym every day, your frequency of exercise is high. If you only go once a month, the frequency is low. It helps us organize our lives and understand our behaviors.

The frequency of his visits decreased as he became busier with his new job.

Scientific Context: In physics and engineering, frequency is the number of occurrences of a repeating event per unit of time. It is typically measured in Hertz (Hz), where one Hertz equals one cycle per second. This applies to light, sound, and electricity.

The radio station broadcasts on a frequency of 101.1 MHz.

Statistical Usage: In statistics, frequency refers to the number of times a particular value or data point appears in a dataset. This is essential for creating histograms and understanding the distribution of information.

The relative frequency of the letter 'e' in the English language is higher than any other letter.

High-frequency trading uses complex algorithms to trade stocks in milliseconds.

The frequency of the pendulum's swing depends on its length.

The concept of frequency is also vital in medicine and psychology. Doctors monitor heart rate frequency (pulse) to assess health, while psychologists might study the frequency of certain thoughts or behaviors to diagnose conditions. In linguistics, word frequency helps educators determine which words are most important for students to learn first. Whether you are tuning a guitar, analyzing a stock market trend, or simply planning your weekly chores, you are interacting with the concept of frequency. It is a fundamental building block of how we perceive time and regularity.

Using the word frequency correctly involves understanding its role as a noun that quantifies repetition. It can function as the subject of a sentence, the object of a verb, or part of a prepositional phrase. Because it deals with measurement, it is often paired with adjectives like 'high,' 'low,' 'increased,' 'decreased,' 'regular,' or 'constant.' When you want to specify what is happening frequently, you typically use the structure 'frequency of [noun/gerund].' For example, 'The frequency of rain in this region is quite high during the spring.' This construction allows for precise communication about patterns and trends.

As a Subject: When frequency is the subject, it often dictates the verb. 'The frequency of the vibrations causes the glass to shatter.' Here, frequency is the active force being discussed.

The frequency of the updates was a major selling point for the software.

As an Object: As an object, it receives the action. 'We need to increase the frequency of our meetings.' In this case, frequency is the thing being changed or managed.

Scientists measured the frequency of the seismic waves after the earthquake.

In Prepositional Phrases: Frequency often appears in phrases like 'with increasing frequency' or 'at a high frequency.' These phrases act as modifiers for the entire sentence.

The birds began to chirp with greater frequency as the sun rose.

The frequency of the light determines its color in the visible spectrum.

There is a direct correlation between the frequency of practice and the level of skill attained.

Furthermore, 'frequency' is used in compound nouns and specialized terms. 'Frequency modulation' (FM) is a method of encoding information in a carrier wave by varying its frequency. 'Frequency distribution' is a table that displays the frequency of various outcomes in a sample. When writing, consider the register: 'frequency' is more formal and precise than saying 'how often.' In an academic essay, you would write 'The frequency of occurrence was noted,' whereas in a casual text, you might say 'It happened a lot.' Mastering these nuances ensures your writing is appropriate for your audience.

The word frequency is omnipresent across various domains, from the mundane to the highly specialized. You will encounter it in news reports, scientific journals, doctor's offices, and even in your car. It is a word that bridges the gap between everyday observation and rigorous analysis. In the media, it's often used to discuss social trends or environmental changes. For example, a news anchor might report on the 'increasing frequency of extreme weather events' due to climate change. In this context, it conveys a sense of urgency and statistical significance. In the world of technology, frequency is a daily reality for anyone dealing with wireless devices, as everything from Wi-Fi to Bluetooth operates on specific radio frequencies.

In Healthcare: Medical professionals use frequency to describe symptoms and physiological rates. You might hear a nurse mention the 'frequency of contractions' during labor or a doctor discuss the 'frequency of dosage' for a medication.

The patient was advised to monitor the frequency of their heart palpitations.

In Broadcasting: Radio and television stations are defined by their frequencies. When you tune your radio, you are literally selecting a specific frequency to listen to. Phrases like 'tuning into the right frequency' have even become metaphorical for being on the same page as someone else.

Please stay tuned to this frequency for emergency weather alerts.

In Music and Sound: Musicians and sound engineers deal with frequency constantly. Pitch is essentially the human perception of frequency. A high-pitched note has a high frequency, while a low-pitched note has a low frequency.

The audio engineer adjusted the frequency response to make the vocals clearer.

We need to analyze the frequency of customer complaints to identify recurring issues.

The frequency of the strobe light can cause seizures in some individuals.

In academic settings, 'frequency' is used in almost every discipline. A historian might discuss the frequency of wars in the 19th century, while a biologist might study the frequency of a specific gene in a population. It is a word that signifies a shift from qualitative observation ('it happens a lot') to quantitative analysis ('it happens with a frequency of X'). Whether you are reading a technical manual, listening to a podcast about science, or discussing your workout routine with a trainer, 'frequency' is the precise term that helps you communicate exactly how often things occur.

While frequency is a common word, it is often misused or confused with related concepts. One of the most frequent errors is confusing 'frequency' with 'intensity' or 'duration.' Frequency refers to *how often* something happens, while intensity refers to *how strong* it is, and duration refers to *how long* it lasts. For example, a person might have frequent headaches (they happen often) but they might not be intense (they are mild). Another common mistake is using the noun 'frequency' when the adverb 'frequently' is required. 'He frequency goes to the park' is incorrect; it should be 'He frequently goes to the park' or 'The frequency of his park visits is high.'

Frequency vs. Duration: Mistake: 'The frequency of the movie was two hours.' Correction: 'The duration of the movie was two hours.' Frequency is about repetition, not the length of a single event.

Incorrect: The frequency of the storm was very powerful. (Should be intensity)

Noun vs. Adverb Confusion: Learners often say 'with a high frequently' instead of 'with a high frequency.' Remember that 'high' is an adjective that must modify a noun.

Incorrect: I am surprised by the frequency that he calls. (Better: the frequency with which he calls)

Frequency vs. Probability: In statistics, frequency is what *did* happen (observed), while probability is what *might* happen (theoretical). Don't use them interchangeably in technical contexts.

Incorrect: The frequency of winning the lottery is low. (Better: The probability is low)

Incorrect: The frequency of the wave is 2 seconds. (Should be: The period is 2 seconds; the frequency is 0.5 Hz)

Incorrect: There is a high frequency of sugar in this drink. (Should be: high amount or concentration)

Finally, avoid using 'frequency' when you mean 'prevalence.' Prevalence refers to how widespread something is at a specific point in time (e.g., the prevalence of a disease in a city), whereas frequency refers to the rate of new occurrences over time. Using the right word not only makes you sound more professional but also ensures that your data and observations are interpreted correctly by others. Always double-check if you are describing 'how often' (frequency), 'how many' (count), or 'how strong' (intensity).

The word frequency has several synonyms and related terms, each with its own nuance. Choosing the right one depends on whether you are speaking casually, scientifically, or statistically. Common alternatives include 'rate,' 'recurrence,' 'incidence,' and 'periodicity.' While they all relate to things happening, they are not always interchangeable. 'Rate' often implies a ratio (e.g., heart rate), 'recurrence' emphasizes something happening again, and 'incidence' is frequently used in medical or legal contexts to describe the occurrence of specific events like crimes or diseases.

Frequency vs. Rate: 'Frequency' is the count of occurrences. 'Rate' is the frequency compared to another measurement, usually time or population. Example: 'The frequency of accidents' vs. 'The accident rate per 1,000 drivers.'

The rate of inflation is rising, but the frequency of price changes varies by sector.

Frequency vs. Incidence: 'Incidence' is specifically used for the first occurrence of something, often something negative. Example: 'The incidence of the flu' refers to new cases, while 'frequency' might just mean how often people get sick in general.

The periodicity of the tides is governed by the moon.

Frequency vs. Prevalence: 'Prevalence' describes how common something is in a population at a given time. 'Frequency' describes how often an event happens over time. Example: 'The prevalence of obesity' vs. 'The frequency of fast-food consumption.'

We are studying the recurrence of the symptoms after treatment.

The regularity of his habits was quite impressive.

The constancy of the signal was vital for the experiment.

Other words like 'constancy' or 'persistence' might be used if something happens without stopping, but they lack the 'count' aspect of frequency. In the world of physics, 'wavelength' is the spatial counterpart to frequency; as frequency increases, wavelength decreases. Understanding these relationships helps you navigate technical discussions more effectively. When choosing an alternative, ask yourself: Am I focusing on the count (frequency), the ratio (rate), the newness (incidence), or the timing (periodicity)? This will guide you to the most accurate word for your context.

How Formal Is It?

Formal

Neutro

Informal

Child friendly

Gíria

Curiosidade

In the 16th century, 'frequency' was used to describe a crowded room. It wasn't until the 19th century that scientists started using it to describe waves and vibrations.

Guia de pronúncia

UK /ˈfriː.kwən.si/

US /ˈfriː.kwən.si/

First syllable: FREE-quen-cy

Rima com

decency fluency currency urgency agency efficiency consistency transparency

Erros comuns

Pronouncing it as 'free-KWEN-cy' (wrong stress).
Missing the 'w' sound in 'qu'.
Pronouncing the 'cy' as 'sigh'.
Confusing it with the pronunciation of 'frequently'.
Shortening the first 'ee' sound.

Nível de dificuldade

Leitura 2/5

Easy to recognize in context but can be found in complex scientific texts.

Escrita 3/5

Requires understanding of 'of' phrases and adjective placement.

Expressão oral 3/5

Pronunciation of 'qu' and 'cy' can be tricky for some learners.

Audição 2/5

Commonly heard in news and technical discussions.

O que aprender depois

Pré-requisitos

often time number repeat always

Aprenda a seguir

frequently periodic distribution modulation incidence

Avançado

resonance oscillation wavelength spectrum amplitude

Gramática essencial

Nouns of Measurement

Frequency, like 'speed' or 'height', is often followed by 'of'.

Adjectives vs. Adverbs

Use 'high frequency' (adj + noun) but 'happens frequently' (verb + adverb).

Prepositional Phrases

'With frequency' acts as an adverbial phrase.

Compound Adjectives

Use a hyphen for 'high-frequency' when it modifies a noun (e.g., high-frequency sound).

Countability

Use 'frequencies' when referring to multiple different rates or radio channels.

Exemplos por nível

The frequency of the bus is every ten minutes.

La frecuencia del autobús es cada diez minutos.

Frequency is used here as a noun followed by 'of'.

What is the frequency of your meals?

¿Cuál es la frecuencia de tus comidas?

Used in a question to ask 'how often'.

The frequency of rain is high in April.

La frecuencia de lluvia es alta en abril.

Adjective 'high' modifies the noun 'frequency'.

I check my phone with high frequency.

Reviso mi teléfono con mucha frecuencia.

Used in a prepositional phrase 'with high frequency'.

The frequency of the bell is once an hour.

La frecuencia de la campana es una vez por hora.

Simple count of an event over time.

The frequency of this sound is very low.

La frecuencia de este sonido es muy baja.

Basic science context.

We need to increase the frequency of our walks.

Necesitamos aumentar la frecuencia de nuestras caminatas.

Used as the object of the verb 'increase'.

The frequency of the light changes the color.

La frecuencia de la luz cambia el color.

Subject of the sentence.

The doctor asked about the frequency of my exercise.

El médico me preguntó sobre la frecuencia de mi ejercicio.

Frequency used to discuss health habits.

The frequency of the train service decreases at night.

La frecuencia del servicio de trenes disminuye por la noche.

Verb 'decreases' follows the subject 'frequency'.

She was surprised by the frequency of the updates.

Ella se sorprendió por la frecuencia de las actualizaciones.

Used after a preposition 'by'.

The frequency of the heart rate is 70 beats per minute.

La frecuencia del ritmo cardíaco es de 70 latidos por minuto.

Technical use in a medical context.

High frequency sounds can be heard by dogs.

Los sonidos de alta frecuencia pueden ser escuchados por los perros.

Compound-like use: 'High frequency sounds'.

The frequency of the class is twice a week.

La frecuencia de la clase es dos veces por semana.

Defining a schedule.

We are measuring the frequency of the waves.

Estamos midiendo la frecuencia de las olas.

Present continuous verb 'measuring' with 'frequency' as object.

The frequency of the errors was quite low.

La frecuencia de los errores fue bastante baja.

Using 'low' to describe the noun.

The frequency of social media use has increased significantly.

La frecuencia del uso de las redes sociales ha aumentado significativamente.

Present perfect tense used with 'frequency'.

They adjusted the frequency of the radio to get a better signal.

Ajustaron la frecuencia de la radio para obtener una mejor señal.

Technical use related to broadcasting.

The frequency of the meetings was reduced to save time.

La frecuencia de las reuniones se redujo para ahorrar tiempo.

Passive voice 'was reduced'.

We need to analyze the frequency of customer visits.

Necesitamos analizar la frecuencia de las visitas de los clientes.

Business context for data analysis.

The frequency of the vibration caused the bridge to shake.

La frecuencia de la vibración hizo que el puente temblara.

Cause and effect structure.

The relative frequency of the word 'the' is very high.

La frecuencia relativa de la palabra 'the' es muy alta.

Introduction of 'relative frequency'.

There is a high frequency of volcanic activity in this area.

Hay una alta frecuencia de actividad volcánica en esta zona.

Describing geographical phenomena.

The frequency of the light determines its energy level.

La frecuencia de la luz determina su nivel de energía.

Scientific fact using 'determines'.

The frequency of extreme weather events is linked to climate change.

La frecuencia de eventos climáticos extremos está ligada al cambio climático.

Complex subject with a passive link.

Scientists are studying the frequency of genetic mutations in the population.

Los científicos están estudiando la frecuencia de las mutaciones genéticas en la población.

Scientific research context.

The frequency of the signal was too high for the receiver to process.

La frecuencia de la señal era demasiado alta para que el receptor la procesara.

Using 'too... for... to...' structure.

The company increased the frequency of its marketing campaigns.

La empresa aumentó la frecuencia de sus campañas de marketing.

Corporate strategy context.

The frequency of the pendulum's oscillation is constant.

La frecuencia de la oscilación del péndulo es constante.

Physics terminology: 'oscillation'.

We observed a high frequency of errors in the experimental group.

Observamos una alta frecuencia de errores en el grupo experimental.

Academic reporting style.

The frequency of the pulse can indicate levels of stress.

La frecuencia del pulso puede indicar niveles de estrés.

Medical observation using 'indicate'.

The radio station operates on a frequency of 98.5 FM.

La emisora de radio opera en una frecuencia de 98.5 FM.

Specific technical specification.

The frequency of the sound waves was modulated to transmit data.

La frecuencia de las ondas sonoras fue modulada para transmitir datos.

Technical term: 'modulated'.

The study examined the frequency of the phoneme /r/ in different dialects.

El estudio examinó la frecuencia del fonema /r/ en diferentes dialectos.

Linguistic research context.

The frequency of the policy changes led to widespread confusion.

La frecuencia de los cambios de política provocó una confusión generalizada.

Abstract social/political context.

High-frequency trading algorithms can execute thousands of orders per second.

Los algoritmos de negociación de alta frecuencia pueden ejecutar miles de órdenes por segundo.

Financial terminology: 'High-frequency trading'.

The frequency of the resonance matched the natural frequency of the structure.

La frecuencia de la resonancia coincidió con la frecuencia natural de la estructura.

Advanced physics: 'resonance' and 'natural frequency'.

The frequency distribution of the data showed a clear bell curve.

La distribución de frecuencias de los datos mostró una clara curva de campana.

Statistical term: 'frequency distribution'.

The frequency of the solar flares increased during the solar maximum.

La frecuencia de las llamaradas solares aumentó durante el máximo solar.

Astronomy context.

They were communicating on an encrypted frequency to ensure privacy.

Se comunicaban en una frecuencia encriptada para garantizar la privacidad.

Security/technology context.

The Nyquist frequency is a critical threshold in digital signal processing.

La frecuencia de Nyquist es un umbral crítico en el procesamiento de señales digitales.

Highly specialized technical term.

The frequency of the cosmic microwave background radiation provides clues about the early universe.

La frecuencia de la radiación de fondo de microondas cósmicas proporciona pistas sobre el universo temprano.

Advanced astrophysics context.

The frequency-dependent attenuation of the signal was carefully calculated.

La atenuación de la señal dependiente de la frecuencia fue calculada cuidadosamente.

Complex adjective phrase: 'frequency-dependent'.

The frequency of lexical innovations in the digital age is unprecedented.

La frecuencia de las innovaciones léxicas en la era digital no tiene precedentes.

Formal academic tone: 'lexical innovations'.

The frequency of the oscillations was measured with nanosecond precision.

La frecuencia de las oscilaciones se midió con una precisión de nanosegundos.

Emphasis on extreme precision.

The frequency of the allele in the population suggests a selective advantage.

La frecuencia del alelo en la población sugiere una ventaja selectiva.

Biological/evolutionary context.

The frequency of the seismic tremors indicated an imminent eruption.

La frecuencia de los temblores sísmicos indicaba una erupción inminente.

Geological prediction context.

The frequency of the light emitted by the laser is extremely stable.

La frecuencia de la luz emitida por el láser es extremadamente estable.

Physics context regarding stability.

Sinônimos

rate recurrence repetition occurrence prevalence

Antônimos

rarity infrequency uncommonness

Colocações comuns

high frequency

low frequency

increasing frequency

radio frequency

frequency distribution

relative frequency

pulse frequency

vibration frequency

frequency modulation

with frequency

Frases Comuns

on the same frequency

frequency of occurrence

at a high frequency

frequency range

frequency response

frequency of use

frequency of visits

frequency of updates

frequency of light

frequency of sound

Frequentemente confundido com

frequency vs frequently

Frequently is an adverb (describes an action), while frequency is a noun (the name of the rate).

frequency vs intensity

Intensity is how strong something is; frequency is how often it happens.

frequency vs duration

Duration is how long one event lasts; frequency is how many times events repeat.

Expressões idiomáticas

"tune into the same frequency"

To understand and agree with someone's perspective.

After hours of talking, we finally tuned into the same frequency.

informal

"on a different frequency"

To be thinking in a way that is not compatible with others.

I feel like my boss and I are on a different frequency today.

informal

"high-frequency"

Used metaphorically to describe something fast-paced or intense.

It was a high-frequency environment with no time for breaks.

neutral

"low-frequency"

Used metaphorically to describe something slow or calm.

He preferred a low-frequency lifestyle in the countryside.

informal

"broadcast on a frequency"

To send out a message or vibe.

She was broadcasting her anger on a frequency everyone could feel.

metaphorical

"jam the frequency"

To interrupt or prevent communication.

The loud music was jamming the frequency of our conversation.

metaphorical

"clear frequency"

An open opportunity for communication.

Wait for a clear frequency before you ask for a raise.

metaphorical

"frequency hopping"

Changing topics or focus rapidly.

His frequency hopping made it hard to follow the story.

informal

"resonant frequency"

The point where something works perfectly or clicks.

The team found their resonant frequency and started winning.

metaphorical

"off frequency"

Slightly wrong or not quite right.

His jokes were a bit off frequency for this crowd.

informal

Fácil de confundir

frequency vs Rate

Both describe how often something happens.

Frequency is a simple count; rate is a ratio compared to another unit (like time or distance).

The frequency of heartbeats is high; the heart rate is 100 bpm.

frequency vs Incidence

Both refer to things happening.

Incidence refers to the start or first occurrence of something (usually negative); frequency is the general rate of repetition.

The incidence of the disease was new; the frequency of infection was high.

frequency vs Prevalence

Both describe how common something is.

Prevalence is how widespread something is at one time; frequency is how often it happens over time.

The prevalence of smartphones is high; the frequency of phone use is constant.

frequency vs Period

They are related in physics.

The period is the time for one cycle; frequency is the number of cycles in one unit of time.

The period of the wave is 0.5 seconds; the frequency is 2 Hz.

frequency vs Amplitude

Both describe waves.

Amplitude is the height/strength of the wave; frequency is the number of waves.

The sound had a high amplitude (loud) and a high frequency (high pitch).

Padrões de frases

The frequency of [activity] is [time].

The frequency of the bus is every hour.

I [verb] with [adjective] frequency.

I exercise with high frequency.

The frequency of [noun] has [verb-ed].

The frequency of rain has increased.

There is a [adjective] frequency of [noun] in [place].

There is a high frequency of accidents on this road.

[Noun] occurs with [adjective] frequency.

Mutations occur with varying frequency.

The frequency-dependent [noun] is [adjective].

The frequency-dependent loss is significant.

We must monitor the frequency of [noun].

We must monitor the frequency of the pulse.

The [noun] operates at a frequency of [number].

The motor operates at a frequency of 60 Hz.

Família de palavras

Substantivos

Verbos

Adjetivos

Relacionado

Como usar

frequency

Highly common in academic, scientific, and professional English.

Erros comuns

The frequency of the class is one hour. → The duration of the class is one hour.
Frequency is how often, duration is how long.
He frequency goes to the gym. → He frequently goes to the gym.
Use the adverb 'frequently' to describe the verb 'goes'.
The frequency of the sound was very loud. → The amplitude of the sound was very loud.
Frequency is pitch (high/low), amplitude is volume (loud/quiet).
I am surprised by the high frequently of the rain. → I am surprised by the high frequency of the rain.
Use the noun 'frequency' after the adjective 'high'.
The frequency of winning is 50%. → The probability of winning is 50%.
Frequency is what happened; probability is the chance of it happening.

Dicas

Use 'of' correctly

Always remember to say 'frequency of [something]'. It is the most common and natural way to use the word.

Pair with adjectives

Use words like 'high', 'low', 'increased', or 'regular' to describe frequency. This adds detail to your speech.

Think in Hertz

If you are using frequency in a science context, remember that 1 Hz = 1 time per second. This helps with clarity.

Formal vs. Informal

Use 'frequency' in essays and reports. In casual talk, 'how often' is usually more natural.

Same Frequency

Use the phrase 'on the same frequency' when you want to say you agree with someone in a cool, metaphorical way.

Frequency vs. Rate

If you are talking about a ratio (like miles per hour), use 'rate'. If you are just counting occurrences, use 'frequency'.

The 'W' sound

Don't forget the 'w' sound in the middle. It's 'FREE-kwen-cy', not 'FREE-ken-cy'.

Hyphenate compounds

When using 'high frequency' as an adjective before a noun, use a hyphen: 'high-frequency signal'.

Frequency Tables

In math, a frequency table is a great way to organize data. It shows how many times each value appears.

Context clues

If you hear 'frequency' in a hospital, it's likely about heart rate or symptoms. In a car, it's likely about the radio.

Memorize

Mnemônico

Think of 'FREE' and 'QUENT'. If something is FREE, people go there FREQUENTly. The 'frequency' is how often they go.

Associação visual

Imagine a radio dial with numbers. Each number is a frequency. You turn the dial to find the right 'how often' for the music.

Word Web

Hertz Waves Radio Often Habit Statistics Pulse Signal

Desafio

Try to use the word 'frequency' three times today when talking about your daily habits instead of saying 'how often'.

Origem da palavra

The word 'frequency' comes from the Latin 'frequentia', which means a large gathering, crowd, or assembly. It entered Middle English via the Old French 'frequence'.

Significado original: Originally, it referred to a crowd of people or a place being crowded. Over time, it shifted to describe the state of happening often.

Indo-European (Latin branch)

Contexto cultural

No specific sensitivities, but in medical contexts, be precise to avoid alarming patients.

Commonly used in business and self-improvement contexts.

The movie 'Frequency' (2000) involves communicating across time via ham radio. FM Radio (Frequency Modulation) revolutionized music broadcasting. High-frequency trading is a major topic in modern financial thrillers.

Pratique na vida real

Contextos reais

Public Transport

bus frequency
train frequency
service frequency
increased frequency

Health and Fitness

exercise frequency
heart rate frequency
dosage frequency
frequency of symptoms

Science and Tech

radio frequency
sound frequency
clock frequency
frequency range

Statistics

frequency table
relative frequency
cumulative frequency
frequency chart

General Communication

frequency of contact
update frequency
meeting frequency
high frequency

Iniciadores de conversa

"How would you describe the frequency of public transport in your city?"

"Do you think the frequency of your social media use is too high?"

"What is the frequency of your favorite hobby throughout the week?"

"How has the frequency of your travel changed in the last few years?"

"Does the frequency of news updates ever feel overwhelming to you?"

Temas para diário

Reflect on the frequency of your most positive habits. How can you increase them?

Describe a time when you and someone else were 'on the same frequency.' What happened?

Analyze the frequency of your stress triggers. Are there patterns you can identify?

If you could change the frequency of any event in your life, what would it be and why?

Write about the frequency of change in your life. Do you prefer stability or constant motion?

Perguntas frequentes

10 perguntas

The simplest definition is 'how often something happens.' If you do something many times, it has a high frequency. If you do it rarely, it has a low frequency.

Yes, it can be countable when referring to different specific rates, such as 'radio frequencies.' It is uncountable when referring to the general concept of how often things occur.

In science, the standard unit is the Hertz (Hz), which represents one cycle per second. In daily life, we use units like 'times per week' or 'per month.'

You usually use it with 'of.' For example: 'The frequency of the rain was unusual.' You can also use it with adjectives: 'He visits with high frequency.'

It describes something that happens very often or a wave that vibrates very fast. In finance, it refers to trading that happens in milliseconds.

Frequency is a noun (the thing), and frequently is an adverb (describes the action). You have a 'high frequency' of visits, or you 'visit frequently.'

Not usually to describe a person directly, but to describe their actions. You wouldn't say 'He is frequency,' but you could say 'The frequency of his calls is annoying.'

It is an idiom meaning two people understand each other perfectly or have the same ideas. It comes from the idea of two radios being tuned to the same station.

In math, it is how often something happens divided by the total number of trials. It is usually expressed as a decimal or percentage.

Frequency determines the pitch of a note. High frequency sounds are high-pitched (like a flute), and low frequency sounds are low-pitched (like a tuba).