Explanation at your level:
To detect means to find something. If you see a small bug on the floor, you detect the bug. You use your eyes to find it. It is like saying 'I see it' or 'I found it.'
You use detect when you notice something that is not easy to see. For example, if you detect a bad smell in the kitchen, you know there is a problem. It is a useful word for talking about things you notice with your senses.
In intermediate English, detect is often used for scientific or investigative contexts. You might detect a change in temperature or detect a mistake in a report. It implies that you had to look closely to find the answer.
At this level, detect is used for subtle observations. You might detect sarcasm in someone's voice or detect a shift in public opinion. It suggests a level of awareness and attention to detail that goes beyond simple 'seeing.'
Advanced users employ detect to describe the identification of complex phenomena. Whether it is detecting anomalies in financial data or detecting early signs of a disease, the word carries a weight of precision and analytical rigor.
At the mastery level, detect can be used figuratively to describe the perception of nuance in literature or human behavior. One might detect a subtext of melancholy in a poem or detect a hidden agenda in a political speech, showcasing the word's ability to bridge the gap between physical observation and intellectual insight.
30秒でわかる単語
- Detect means to find something hidden.
- It uses senses or tools.
- It is a versatile verb.
- It comes from Latin for 'uncover'.
Have you ever played hide-and-seek and finally spotted your friend behind a tree? That is a bit like detecting! To detect means to notice or discover something that isn't immediately obvious.
It is often used when we find things that are tiny, hidden, or far away. You might detect a faint smell of smoke or detect a subtle change in someone's mood. It isn't just about eyes; it's about using all your senses or even machines to find the truth.
The word detect comes from the Latin word detegere. This is made of two parts: de- (meaning 'away' or 'off') and tegere (meaning 'to cover').
So, literally, it means 'to uncover' or 'to take the cover off.' It entered English in the 16th century. It’s a great example of how words evolve—we went from physically removing a cloth cover to 'uncovering' secrets or hidden signals in science and mystery stories!
You will hear detect in both casual and formal settings. In a science lab, you might detect radiation. In a mystery novel, a detective tries to detect a clue.
Common pairings include detect a change, detect a signal, or detect a smell. It is a very versatile word that sounds professional and precise.
While detect itself isn't an idiom, it is used in phrases like detect a hint of, which means to notice a very small amount of something. Another is detect a pattern, often used in data analysis to find repeating trends.
You might also hear detect a lie, which is common in crime dramas. These phrases help us describe the process of discovery in everyday life.
Detect is a regular verb. The past tense is detected and the present participle is detecting. The stress is on the second syllable: de-TECT.
It rhymes with words like elect, select, and reflect. It is almost always followed by a noun, such as 'I detected a noise.'
Fun Fact
It comes from 'tegere' which is related to the word 'tegula' (roof tile)!
Pronunciation Guide
Clear 'de' sound, stress on second syllable.
Similar to UK, very sharp 't' sounds.
Common Errors
- Stress on first syllable
- Dropping the final 't'
- Mispronouncing the 'e'
Rhymes With
Difficulty Rating
Easy to read
Easy to use
Easy to say
Easy to hear
What to Learn Next
Prerequisites
Learn Next
上級
Grammar to Know
Transitive Verbs
I detected it.
Verb Tenses
I have detected.
Noun Clauses
I detected that he left.
Examples by Level
I detect a small cat.
I see/find a small cat
Simple SVO structure
The dog can detect a rabbit in the grass.
I can detect a weird smell.
Can you detect the hidden door?
The sensor detects movement.
She detected a mistake in the math.
He detected a change in the weather.
We detected a sound upstairs.
They detected the problem early.
The machine is designed to detect smoke.
I detected a note of sadness in her voice.
The doctor detected a slight fever.
Scientists detected a new planet.
He detected that something was wrong.
The system can detect unauthorized access.
She detected a hint of sarcasm.
We detected a pattern in the data.
The radar failed to detect the incoming aircraft.
He was quick to detect the lie in her story.
The software detects viruses automatically.
She could detect the tension in the room.
The sensor detects changes in light intensity.
They detected a spike in activity.
I detected a subtle shift in his attitude.
The device detects even the smallest vibrations.
The telescope detected a faint signal from deep space.
The auditor detected a discrepancy in the accounts.
He detected an underlying irony in the author's tone.
The test is highly sensitive and can detect trace amounts.
She detected a flicker of hesitation in his eyes.
The algorithm detects patterns that humans miss.
The sensors detected a minor seismic tremor.
They detected a correlation between the two variables.
The scholar detected a subtle allusion to Virgil in the text.
The sensor array detected a minute fluctuation in the field.
He detected a barely perceptible change in the atmosphere.
The system detected an anomaly in the network traffic.
She detected a trace of irony in his polite response.
The chemical analysis detected impurities in the sample.
The detective detected a hidden motive behind the alibi.
They detected a latent potential in the young student.
よく使う組み合わせ
Idioms & Expressions
"detect a whiff of"
To notice a small amount of something
I detected a whiff of trouble.
casual"detect the hand of"
To realize who is responsible for something
I detected the hand of the manager in this.
formal"detect a pulse"
To see if something is still alive or active
We need to detect a pulse in this project.
neutral"detect a shift"
To notice a change in direction or mood
I detected a shift in the market.
neutral"detect a vibe"
To feel the atmosphere
I detected a weird vibe in the room.
casual"detect an undercurrent"
To notice hidden feelings
I detected an undercurrent of anger.
formalEasily Confused
both mean to find
discover is for new things, detect is for hidden things
I discovered a new land vs I detected a leak.
both mean to see
spot is casual, detect is more precise
I spotted a bird vs I detected a signal.
both involve senses
notice is passive, detect is active
I noticed the weather vs I detected a change.
both involve looking
observe is watching over time
I observed the stars vs I detected a planet.
Sentence Patterns
Subject + detect + noun
I detected a problem.
Subject + detect + that + clause
I detected that he was lying.
Subject + detect + how + clause
We detected how the system works.
Subject + detect + a + noun + in + noun
I detected a flaw in the plan.
Subject + can + detect + noun
The dog can detect drugs.
語族
Nouns
Verbs
Adjectives
関連
How to Use It
7
Formality Scale
よくある間違い
Detect is a transitive verb, it doesn't need 'to'.
Don't confuse the action with the person.
No preposition needed after detect.
The verb implies the search.
Keep it simple.
Tips
The Detective Trick
Think of a detective finding a clue.
Use it for senses
Use it when you smell or hear something faint.
Science usage
Scientists use it for data.
No 'to'
Don't say 'detect to' something.
The Stress
Hit the second syllable hard.
Don't confuse with detective
Detect is the action.
Latin roots
It means uncover.
Use it in sentences
Write 5 sentences daily.
Formal vs Casual
It works in both.
Rhyme time
Rhyme with elect.
Memorize It
Mnemonic
De-tect: Take the cover off the TECT-ive (detective).
Visual Association
A detective with a magnifying glass.
Word Web
チャレンジ
Try to detect three new things in your room today.
語源
Latin
Original meaning: To uncover
文化的な背景
None
Commonly used in crime fiction and scientific reports.
Practice in Real Life
Real-World Contexts
at work
- detect a problem
- detect an error
- detect a trend
science
- detect radiation
- detect signals
- detect changes
daily life
- detect a smell
- detect a noise
- detect a lie
security
- detect movement
- detect intruders
- detect threats
Conversation Starters
"Have you ever detected a lie?"
"What is the most interesting thing you have ever detected?"
"Do you think machines can detect human emotions?"
"How do you detect if someone is sad?"
"Can you detect a change in the air when it's about to rain?"
Journal Prompts
Write about a time you detected something hidden.
If you were a detective, what would you want to detect?
Describe a sound you can detect in your house at night.
Is it hard to detect when someone is being sarcastic? Why?
よくある質問
8 問Detect implies more effort or difficulty in finding.
Yes, if they are hiding.
It is neutral but sounds professional.
Detection.
A machine that finds things.
Yes, like detecting sadness.
Yes, it is a verb.
Yes, detected.
自分をテスト
I can ___ a bird in the tree.
Detect means to see or find.
What does detect mean?
Finding something is detecting.
You can detect a sound.
Detecting a sound is very common.
Word
意味
Synonyms match.
Subject-Verb-Object.
スコア： /5
Summary
To detect is to uncover the hidden truth using your senses or tools.
- Detect means to find something hidden.
- It uses senses or tools.
- It is a versatile verb.
- It comes from Latin for 'uncover'.
The Detective Trick
Think of a detective finding a clue.
Use it for senses
Use it when you smell or hear something faint.
Science usage
Scientists use it for data.
No 'to'
Don't say 'detect to' something.
例文
The smoke alarm is designed to detect even the smallest traces of fire.
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