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A2 noun 6 min read

circuito

Practice it Examples Notes & Tips circuito in 30 Seconds

Explanation circuito in your Level:

At the A1 level, you should recognize 'circuito' in the context of travel and simple sports. It is a masculine noun ('o circuito'). You might see it on a tourist map or in a simple exercise routine. Think of it as a 'round trip' or a 'track'. For example, 'O circuito é longo' (The circuit is long). At this stage, focus on the fact that it ends where it begins. It is a useful word for basic navigation and following simple instructions at a park or a gym. You don't need to know technical electrical meanings yet; just think of a path that goes in a circle.

At the A2 level, you begin to use 'circuito' to describe more specific activities. You can talk about a 'circuito turístico' when planning a trip with friends, or a 'circuito de caminhada' (walking circuit) in a park. You are expected to know that it is a masculine noun and how to use it with basic adjectives: 'um circuito fechado', 'um circuito famoso'. You also start to encounter the term in sports news, particularly racing (Formula 1) or tennis tours. It's important to distinguish it from 'círculo' (the shape) and 'caminho' (a general path).

At the B1 level, you should be comfortable using 'circuito' in professional and technical contexts. This includes basic electronics ('o circuito elétrico da casa') and office security ('circuito interno de TV'). You can describe processes that are cyclical or structured. You might use it metaphorically, like 'o circuito das artes' to talk about cultural events. Your grammar should be more precise, using prepositions correctly: 'trabalhar no circuito', 'percorrer o circuito'. You also learn the compound noun 'curto-circuito' and its common usage when something breaks down or goes wrong unexpectedly.

At the B2 level, 'circuito' appears in more abstract and complex discussions. You might read about 'circuitos integrados' in articles about technology or 'circuitos neurais' in popular science texts about the brain. You understand the nuances between 'circuito', 'rede', and 'sistema'. You can participate in debates about urban planning, discussing 'circuitos de transporte' or 'circuitos comerciais'. Your vocabulary includes idiomatic uses and you can handle the pluralization of compound forms like 'curtos-circuitos' without hesitation. You recognize the word in formal reports and academic summaries.

At the C1 level, you use 'circuito' with high precision in specialized fields. In a legal or political context, you might refer to 'circuitos de influência' or 'circuitos diplomáticos'. You understand the word's role in complex metaphors describing the flow of capital, information, or power. You can discuss the 'circuito de produção' in economics or the 'circuito comunicativo' in linguistics. Your usage is fluid, and you can switch between technical, metaphorical, and literal meanings seamlessly, choosing the word for its specific connotation of a structured, self-contained system.

At the C2 level, 'circuito' is a tool for nuanced expression. You might use it to describe the intricate 'circuitos de retroalimentação' (feedback loops) in cybernetics or philosophy. You appreciate the word's etymology and its subtle implications in literature or high-level academic writing. Whether you are discussing the 'circuito da consciência' in neuroscience or the 'circuito de distribuição global' in macroeconomics, you use the word to convey systemic complexity. You are also aware of very rare or archaic uses and can interpret the word correctly in any possible context, including complex wordplay or puns.

Practice it Examples Notes & Tips

circuito in 30 Seconds

Circuito means a closed loop or path, commonly used for racing tracks, travel routes, and electrical systems.
It is a masculine noun ('o circuito') and is used in sports, technology, tourism, and metaphorical social contexts.
Common terms include 'circuito elétrico' (electrical circuit) and 'circuito fechado' (closed circuit or CCTV).
It is a cognate of the English 'circuit' but requires attention to Portuguese gender and specific technical collocations.

The Portuguese word circuito is a versatile masculine noun that primarily describes a path that returns to its starting point. At its core, it embodies the concept of circularity and connectivity, whether in a physical, electrical, or metaphorical sense. Understanding this word requires looking at its diverse applications in daily life, from the technical world of engineering to the leisure world of tourism and sports.

Physical Path or Track: In the context of sports and racing, a circuito is the track where vehicles or athletes compete. This is most commonly heard in 'circuito de Fórmula 1' or 'circuito de atletismo'. It implies a closed loop where the finish line is at the same location as the starting line.

Os pilotos completaram vinte voltas no circuito de Interlagos antes da chuva começar.

Electrical Engineering: This is perhaps the most technical use. A circuito elétrico is a complete route through which an electric current can flow. You will encounter terms like 'curto-circuito' (short circuit) or 'circuito impresso' (printed circuit board). It describes the interconnected components like resistors, capacitors, and power sources.

Tourism and Travel: In travel agencies, a circuito turístico refers to a pre-planned route that visits several cities or landmarks before returning to the origin. For example, a 'circuito pelas cidades históricas de Minas Gerais' involves a specific itinerary designed for efficiency and comprehensive sightseeing.

Compramos um pacote para fazer um circuito cultural pela Europa Central no próximo verão.

Beyond these, the word is used in fitness (circuit training), cinema (the distribution network of movie theaters), and even social circles (the diplomatic circuit). In every case, the underlying logic is a structured, often repetitive, or enclosed system of movement or connection. It is a word that suggests organization and a defined boundary.

Using circuito correctly involves understanding its grammatical role as a masculine noun and the prepositions that typically accompany it. Because it describes a path or a system, it often interacts with verbs of movement, creation, or failure.

With Movement Verbs: When referring to tracks or routes, we use verbs like 'percorrer' (to travel through), 'completar' (to complete), or 'fazer' (to do/make). Example: 'Nós percorremos o circuito em tempo recorde'.

O atleta precisa completar todo o circuito de obstáculos para se qualificar.

In Technical Contexts: In electronics, common verbs are 'montar' (to assemble), 'desenhar' (to design), or 'queimar' (to burn out). If a circuit fails, we say 'houve um curto-circuito' (there was a short circuit).

Describing Systems: When talking about surveillance, the term 'circuito fechado de televisão' (CCTV) is standard. Here, 'fechado' (closed) emphasizes that the signals are not publicly broadcast.

A loja instalou um circuito interno de segurança para evitar roubos.

Whether you are describing a race, a wiring diagram, or a vacation itinerary, 'circuito' provides the structural framework for the sentence. It acts as the container for the action, defining the limits and the path of the subject.

In a Portuguese-speaking environment, you will encounter circuito in several distinct domains. Its usage spans from formal technical reports to casual gym conversations.

At the Gym (Academia): Personal trainers often organize 'treino em circuito'. This involves a series of exercises performed one after another with minimal rest. You'll hear: 'Hoje vamos fazer um circuito de pernas e glúteos'.

O instrutor montou um circuito de alta intensidade para a aula de hoje.

In the News and Sports: Sports commentators use it constantly when discussing professional tours. 'O circuito mundial de surfe' or 'o circuito profissional de tênis' (ATP/WTA). It refers to the series of tournaments held globally throughout the year.

Home Maintenance and Tech: If your power goes out, an electrician might say: 'O problema está no circuito da cozinha'. In technology, hardware engineers talk about 'circuitos integrados' (integrated circuits/chips) that power our smartphones and computers.

Houve uma sobrecarga no circuito elétrico da sala.

Finally, in the arts, you might hear about the 'circuito de cinema alternativo' or 'circuito das artes', referring to the network of venues or galleries that showcase specific types of work. It is a word that signifies inclusion in a specific, organized group or path.

While circuito is a cognate of 'circuit', English speakers often trip up on gender, pronunciation, and confusing it with similar-sounding Portuguese words.

Mistaking the Gender: Many learners assume words ending in '-o' are masculine (which is correct here) but might be confused by related feminine concepts like 'a rota' (the route) or 'a pista' (the track). Remember: 'o circuito', always.

Errado: A circuito elétrico quebrou.
Certo: O circuito elétrico quebrou.

Confusion with 'Círculo': A 'círculo' is a geometric shape (a circle). A 'circuito' is a path or system. While a circuit can be circular, they are not interchangeable. You don't 'run a circle' when you mean you 'run a track'.

Pronunciation of 'ui': The 'ui' in 'circuito' is a diphthong. Learners sometimes over-enunciate the 'u' and 'i' separately. It should flow together, similar to the sound in 'fruit' but with a quicker transition.

O circuito de monitoramento está desligado.

Finally, avoid using 'circuito' when you simply mean 'a trip' (uma viagem) unless that trip specifically follows a loop. If you go from point A to point B and stay there, it is not a 'circuito'.

Depending on the context, you might want to use a more specific word than circuito. Here are the most common alternatives and how they differ.

Circuito vs. Itinerário: An 'itinerário' is a detailed plan or list of places to visit. A 'circuito' is the physical or conceptual loop itself. You follow an itinerário while traveling a circuito.

Circuito vs. Pista: 'Pista' is used for the physical surface (track/lane). 'Circuito' refers to the whole course. In racing, you run on the 'pista' which is part of the 'circuito'.

A pista estava molhada, dificultando a corrida no circuito.

Circuito vs. Rede: 'Rede' (network) is broader. A circuit is a specific type of network that is usually closed or sequential. An electrical network (rede elétrica) contains many individual circuits.

In summary, choose 'circuito' when the emphasis is on the closed-loop nature, the technical connectivity, or a professional sports/arts environment. For simpler point-to-point movements, 'caminho' or 'rota' are often better choices.

How Formal Is It?

Formal

"O projeto contempla a instalação de um circuito integrado de última geração."

Neutral

"O circuito turístico pelas cidades históricas dura quatro dias."

Informal

"Pô, o treino em circuito hoje me deixou morto!"

Child friendly

"O trenzinho corre por todo o circuito de brinquedo."

Slang

"Ele tá totalmente fora do circuito, nem sabe da festa."

Fun Fact

The word 'circuito' in Portuguese shares the same root as 'circuit' in English, but Portuguese maintains a closer spelling to the Latin 'circuitus'.

Pronunciation Guide

UK /sɪəˈkɪtʊ/

US /sirˈkwitu/

The stress is on the penultimate syllable: cir-CUI-to.

Rhymes With

gratuito intuito fortuito muito fruito dezoito (near rhyme) biscoito (near rhyme) defeito (near rhyme)

Common Errors

Pronouncing 'ui' as two separate syllables (cir-cu-i-to).
Stress on the first syllable (CIR-cuito).
Nasalizing the 'i' unnecessarily.
Pronouncing the final 'o' as a strong 'oh' instead of a soft 'oo'.
Confusing the 'c' sound with 'ch'.

Difficulty Rating

Reading 2/5

Easy to recognize as a cognate for English speakers.

Writing 3/5

Requires remembering the 'ui' spelling and masculine gender.

Speaking 3/5

Diphthong 'ui' can be tricky for some beginners.

Listening 2/5

Clear pronunciation in most dialects.

What to Learn Next

Prerequisites

caminho volta elétrico fechado aberto

Learn Next

corrente voltagem itinerário percurso trajeto

Advanced

semicondutor homeostase semiótica fenomenologia entropia

Grammar to Know

Masculine Gender

O circuito (never a circuito).

Compound Noun Pluralization

Um curto-circuito -> Dois curtos-circuitos.

Contractions

Em + o = no circuito; De + o = do circuito.

Adjective Agreement

O circuito elétrico (masculine singular).

Diphthong Pronunciation

The 'ui' in 'circuito' is a single sound unit.

Examples by Level

O circuito do parque é muito bonito.

The park circuit is very beautiful.

Masculine noun 'o circuito' with the adjective 'bonito'.

Eu corro no circuito todos os dias.

I run in the circuit every day.

Contraction 'no' (em + o) used with 'circuito'.

Onde é o início do circuito?

Where is the start of the circuit?

Interrogative sentence using 'onde' and 'do' (de + o).

Este circuito é pequeno.

This circuit is small.

Demonstrative pronoun 'este' matching the masculine noun.

Nós fazemos o circuito de ônibus.

We do the circuit by bus.

Verb 'fazer' used to describe traveling a route.

O circuito tem cinco paradas.

The circuit has five stops.

Simple present tense of the verb 'ter'.

Gosto deste circuito turístico.

I like this tourist circuit.

Verb 'gostar' requires the preposition 'de' (de + este = deste).

O circuito fecha às 18h.

The circuit closes at 6 PM.

Third person singular of the verb 'fechar'.

O circuito de Interlagos é famoso no Brasil.

The Interlagos circuit is famous in Brazil.

Proper noun 'Interlagos' as a modifier for 'circuito'.

Vamos completar o circuito de bicicleta.

Let's complete the circuit by bicycle.

Infinitive 'completar' after the auxiliary verb 'vamos'.

O circuito elétrico está desligado.

The electrical circuit is turned off.

Adjective 'elétrico' agrees with the masculine 'circuito'.

Existem muitos circuitos de caminhada nesta cidade.

There are many walking circuits in this city.

Plural form 'circuitos' with the quantifier 'muitos'.

O carro deu três voltas no circuito.

The car did three laps in the circuit.

Idiomatic use of 'dar voltas' (to do laps).

Este circuito é perigoso para iniciantes.

This circuit is dangerous for beginners.

Preposition 'para' indicating the target audience.

O circuito de cinema exibe filmes nacionais.

The cinema circuit shows national films.

Metaphorical use of 'circuito' for a distribution network.

Eles ganharam a corrida no circuito urbano.

They won the race on the urban circuit.

Adjective 'urbano' describing the location of the circuit.

Houve um curto-circuito na fiação da cozinha.

There was a short circuit in the kitchen wiring.

Compound noun 'curto-circuito' used with the verb 'haver'.

O prédio tem um circuito interno de segurança.

The building has an internal security circuit (CCTV).

Standard term for closed-circuit television.

O circuito profissional de tênis é muito exigente.

The professional tennis circuit is very demanding.

Adjective 'exigente' modifying the subject 'circuito'.

Precisamos consertar o circuito da placa-mãe.

We need to fix the motherboard circuit.

Technical use in electronics.

O circuito de festivais de verão começa em julho.

The summer festival circuit starts in July.

Collective noun use for a series of events.

Ela treina em circuito para economizar tempo.

She does circuit training to save time.

Prepositional phrase 'em circuito' describing a method.

O circuito de águas de Minas é muito procurado.

The Minas water circuit is very popular (tourist route).

Specific regional tourist terminology.

O sinal viaja através de um circuito fechado.

The signal travels through a closed circuit.

Prepositional phrase 'através de' (through).

O engenheiro desenhou um circuito integrado complexo.

The engineer designed a complex integrated circuit.

Technical term 'circuito integrado' (IC).

A notícia circulou rapidamente pelo circuito diplomático.

The news circulated quickly through the diplomatic circuit.

Metaphorical use for a social/professional sphere.

O sistema de som utiliza um circuito analógico.

The sound system uses an analog circuit.

Distinction between analog and digital circuits.

Eles identificaram uma falha no circuito de controle.

They identified a failure in the control circuit.

Noun phrase 'circuito de controle'.

O circuito de distribuição de livros está em crise.

The book distribution circuit is in crisis.

Economic/business use of the term.

A maratona segue um circuito de 42 quilômetros.

The marathon follows a 42-kilometer circuit.

Describing a specific distance and path.

O artista faz parte do circuito das galerias de elite.

The artist is part of the elite gallery circuit.

Sociological use referring to an exclusive group.

O curto-circuito causou um incêndio de grandes proporções.

The short circuit caused a large-scale fire.

Cause-and-effect structure.

A teoria analisa os circuitos de poder na sociedade.

The theory analyzes the circuits of power in society.

Highly abstract/academic use.

O cérebro possui circuitos neurais altamente especializados.

The brain has highly specialized neural circuits.

Scientific/biological context.

O documentário explora o circuito clandestino de apostas.

The documentary explores the clandestine betting circuit.

Adjective 'clandestino' describing an illegal network.

Houve uma interrupção no circuito de fornecimento global.

There was an interruption in the global supply circuit.

Macroeconomic context.

O autor utiliza o conceito de 'circuito' para explicar a narrativa.

The author uses the concept of 'circuit' to explain the narrative.

Literary analysis context.

O tribunal invalidou o circuito de provas apresentado.

The court invalidated the presented circuit of evidence.

Legal context referring to a chain of logic/evidence.

A peça teatral desafia o circuito comercial tradicional.

The play challenges the traditional commercial circuit.

Contrast between commercial and independent sectors.

Os circuitos de feedback são essenciais para a automação.

Feedback circuits are essential for automation.

Cybernetic/engineering term.

A fenomenologia do circuito implica uma percepção cíclica do tempo.

The phenomenology of the circuit implies a cyclic perception of time.

Philosophical register.

O capital financeiro flui por circuitos de liquidez instantânea.

Financial capital flows through circuits of instantaneous liquidity.

High-level economic analysis.

A obra subverte o circuito semiótico da publicidade moderna.

The work subverts the semiotic circuit of modern advertising.

Critical theory register.

A homeostase é mantida por complexos circuitos neuroendócrinos.

Homeostasis is maintained by complex neuroendocrine circuits.

Advanced medical/biological terminology.

O historiador mapeou os circuitos de troca no Mediterrâneo antigo.

The historian mapped the exchange circuits in the ancient Mediterranean.

Historiographical context.

A entropia do circuito fechado leva ao esgotamento do sistema.

The entropy of the closed circuit leads to the depletion of the system.

Scientific/thermodynamic metaphor.

O discurso político opera em um circuito fechado de autorreferencialidade.

Political discourse operates in a closed circuit of self-referentiality.

Political science/sociological critique.

A sinergia entre os circuitos digitais e biológicos define o transumanismo.

The synergy between digital and biological circuits defines transhumanism.

Philosophical/futuristic context.

Common Collocations

circuito elétrico

curto-circuito

circuito fechado

circuito turístico

circuito integrado

circuito impresso

circuito de Fórmula 1

treino em circuito

circuito das artes

circuito de cinema

Common Phrases

estar no circuito

— To be involved in a specific scene or group.

Ele já está no circuito da moda há anos.

fechar o circuito

— To complete a process or connection.

Finalmente conseguimos fechar o circuito de vendas.

fora do circuito

— Out of the loop or not part of the mainstream.

Esta galeria exibe artistas fora do circuito.

fazer um circuito

— To travel a specific loop route.

Vamos fazer um circuito pelas vinícolas.

entrar em curto-circuito

— Literally to short circuit, or metaphorically to break down mentally.

Meu cérebro entrou em curto-circuito com tanta informação.

quebrar o circuito

— To interrupt a flow or system.

A greve quebrou o circuito de entregas.

circuito interno

— Internal/closed system, usually for security.

As imagens do circuito interno foram entregues à polícia.

grande circuito

— The mainstream or major professional level.

O jogador ainda não estreou no grande circuito.

circuito de obstáculos

— An obstacle course.

As crianças adoraram o circuito de obstáculos.

circuito de palestras

— A series or tour of lectures.

O professor iniciou um circuito de palestras pelo país.

Often Confused With

circuito vs círculo

A shape vs. a path. You run a circuit, you draw a circle.

circuito vs curto

'Curto' means short. 'Curto-circuito' is a specific electrical failure.

circuito vs circular

'Circular' can be an adjective or a verb (to circulate), whereas 'circuito' is the noun.

Idioms & Expressions

"dar um curto-circuito na cabeça"

— To become extremely confused or overwhelmed.

Tanta matemática deu um curto-circuito na minha cabeça.

informal

"estar fora do circuito"

— To be uninformed about something current.

Estou fora do circuito, o que aconteceu na reunião?

informal

"fechar o circuito"

— To finish something completely and logically.

A conclusão do livro fecha o circuito da história.

neutral

"circuito de fofocas"

— The local network where rumors spread.

A notícia já correu todo o circuito de fofocas do escritório.

informal

"viver no circuito"

— To spend life traveling in a specific elite or professional circle.

Ela vive no circuito das grandes festas de Nova York.

neutral

"circuito vicioso"

— A vicious cycle (synonym for círculo vicioso).

Precisamos romper esse circuito vicioso de dívidas.

neutral

"curto-circuito emocional"

— An emotional breakdown.

O estresse causou um curto-circuito emocional nele.

neutral

"circuito de ouro"

— The most prestigious route or set of events.

Vencer esses três prêmios é o circuito de ouro do cinema.

neutral

"rodar o circuito"

— To complete the standard tour or series of tasks.

Já rodei todo o circuito de visitas obrigatórias.

neutral

"circuito de ideias"

— The flow or exchange of thoughts within a group.

O debate estimulou um novo circuito de ideias na universidade.

formal

Easily Confused

circuito vs itinerário

Both involve travel.

Itinerário is the plan; circuito is the loop.

O itinerário lista os hotéis do circuito.

circuito vs percurso

Both mean a path.

Percurso is general; circuito implies a return to the start.

O percurso foi de 10km.

circuito vs rota

Both mean a way.

Rota is often linear or for large-scale travel (planes/ships).

A rota do avião mudou.

circuito vs pista

Both used in racing.

Pista is the asphalt; circuito is the whole organized course.

Limpem a pista do circuito.

circuito vs rede

Both involve connections.

Rede is a web/network; circuito is a specific loop.

A rede tem vários circuitos.

Sentence Patterns

O circuito é [adjective].

O circuito é longo.

Eu vou ao [circuito].

Eu vou ao circuito de corrida.

Houve um [noun] no circuito.

Houve um problema no circuito.

O circuito de [noun] é [adjective].

O circuito de tênis é mundial.

Através do circuito de [abstract noun]...

Através do circuito de informações...

A complexidade do circuito [adjective]...

A complexidade do circuito neuroendócrino...

Nós fazemos o circuito de [transport].

Nós fazemos o circuito de bicicleta.

O circuito está [participle].

O circuito está quebrado.

Word Family

Nouns

Verbs

Adjectives

How to Use It

frequency

High, especially in technical, sports, and tourism contexts.

Common Mistakes

A circuito → O circuito
Circuito is a masculine noun.
Circuito vicioso → Círculo vicioso
While 'circuito vicioso' is occasionally used, 'círculo vicioso' is the standard idiom for 'vicious cycle'.
Curto-circuito (plural) → Curtos-circuitos
Both elements of this compound noun must be pluralized.
Pronouncing as cir-cu-i-to → cir-cui-to
The 'ui' is a diphthong, not two separate syllables.
Using for a one-way trip → Trajeto / Percurso
Circuito must imply a loop or a return.

Tips

Gender Check

Always pair 'circuito' with masculine articles and adjectives. 'O circuito pequeno', 'um circuito novo'.

Compound Plurals

Remember 'curtos-circuitos' for plural. It's a common test question in Portuguese exams.

Circuit vs. Circle

Don't use 'circuito' for the geometric shape. That is 'círculo'.

Stress it Right

Put the emphasis on 'CUI'. Practice: cir-CUI-to. It makes a big difference in sounding natural.

F1 Influence

If you are in Brazil, talking about 'o circuito' usually brings Formula 1 to mind.

Business Context

Use 'circuito comercial' to talk about mainstream distribution of products or films.

Electronics

When fixing gadgets, 'placa de circuito' is the term for 'circuit board'.

Tour Planning

A 'circuito turístico' is often a better deal than booking individual point-to-point trips.

Gym Lingo

Tell your trainer you want a 'treino em circuito' for a high-intensity workout.

Visual Loop

Picture a race car completing a loop to remember the 'return to start' meaning.

Memorize It

Mnemonic

Imagine a CIRCus performer riding a UnIcycle in a TOur (CIRC-UI-TO). They go in a circle!

Visual Association

Visualize a glowing blue electrical loop on a motherboard or a red Formula 1 car on a circular track.

Word Web

Eletricidade Corrida Turismo Fechado Loop Fórmula 1 Segurança Caminho

Challenge

Try to use 'circuito' in three different ways today: one for sports, one for electronics, and one for a trip.

Word Origin

From the Latin 'circuitus', which is the past participle of 'circuire' (to go around).

Original meaning: A going around, a revolution, a path.

Romance (Latin root).

Cultural Context

No specific sensitivities; the word is neutral and technical.

English speakers use 'circuit' similarly, but 'circuito' in Portuguese is more frequently used for pre-packaged vacation tours than 'circuit' is in common US/UK English.

Circuito de Interlagos (F1 Track) Circuito das Águas (MG, Brazil) Circuito Estoril (Portugal)

Practice in Real Life

Real-World Contexts

Electronics

esquema do circuito
circuito impresso
placa de circuito
ligar o circuito

Sports

circuito de corrida
recorde do circuito
volta ao circuito
circuito mundial

Tourism

circuito cultural
circuito gastronômico
mapa do circuito
guia do circuito

Security

circuito de TV
monitorar o circuito
câmeras do circuito
circuito de segurança

Fitness

treino em circuito
estações do circuito
completar o circuito
circuito funcional

Conversation Starters

"Você prefere treinar em circuito ou fazer exercícios isolados?"

"Qual é o circuito turístico mais bonito que você já fez?"

"Você já teve problemas com o circuito elétrico da sua casa?"

"Quem é o seu piloto favorito no circuito de Fórmula 1?"

"Você gosta de visitar galerias que estão fora do circuito comercial?"

Journal Prompts

Descreva um circuito turístico ideal pelo seu país, listando as paradas principais.

Escreva sobre uma vez que você se sentiu 'fora do circuito' em uma conversa social.

Explique a importância de um circuito de segurança em uma grande cidade.

Como o conceito de 'circuito' se aplica à sua rotina diária?

Imagine que você é um engenheiro desenhando um novo circuito; o que ele faria?

Frequently Asked Questions

10 questions

It is masculine. You should always say 'o circuito' or 'um circuito'. Using 'a' is a common mistake for beginners.

It is a 'short circuit'. It happens when electricity takes a shorter, unintended path, often causing sparks or damage. Metaphorically, it means a mental breakdown or confusion.

The plural is 'curtos-circuitos'. Both parts of the compound noun become plural.

No, 'circuito' implies a return to the starting point. For a one-way trip, use 'viagem', 'trajeto', or 'percurso'.

It means being 'out of the loop' socially, or referring to things that are not mainstream or commercial (e.g., indie films).

Yes, it is used for biological systems like 'circuito sanguíneo' (blood circuit) or 'circuito neural' (neural circuit).

It is the Portuguese term for CCTV (Closed Circuit Television), used for security monitoring.

It is a diphthong. Pronounce it quickly like the English word 'we' but starting with a 'u' sound, almost like 'kwee'.

Yes, terms like 'circuito diplomático' or 'circuito das artes' refer to the network of people and events in those fields.

It is 'circuit training', a workout where you move through different exercise stations in a specific order.