detect meaning

The word ‘detect’ means to find or discover something that is hidden or not obvious.

detect :

to find, to discover

Verb

▪ The police detected the scent of gas.

▪ The police found the smell of gas.

▪ Scientists can detect small changes in the environment.

▪ Scientists can find minor changes in the environment.

paraphrasing

▪ discover – find

▪ identify – recognize

▪ notice – observe

▪ spot – see

Pronunciation

detect [dɪˈtɛkt]

The stress is on the second syllable 'tect' and sounds like 'di-TECT'.

Common phrases and grammar about detect

detect - Common meaning

Verb
to find, to discover

Part of Speech Changes for "detect"

▪ detection (noun) – the act of finding something

▪ detector (noun) – a device or person that finds something

▪ detectable (adjective) – able to be found

▪ undetectable (adjective) – unable to be found


Common Expressions with "detect"

▪ detect a problem – find a problem

▪ detect a signal – find a signal

▪ detect movement – see movement

▪ detect a flaw – find a mistake


Important examples of detect in TOEIC

Vocabulary examples from the TOEIC test

In TOEIC vocabulary questions, detect is often used when talking about finding mistakes or signals.

▪The system can detect errors in the data.
▪The system can find mistakes in the data.

Example of a confusing word: defect (a flaw or imperfection)

▪The system can defect errors in the data.
▪The system can identify flaws in the data.
"Detect" is a verb meaning "to discover" or "identify" something, often used in contexts like finding errors or signals, as in "The system can detect errors in the data." "Defect," however, is a noun meaning "a flaw" or "imperfection," and cannot be used as a verb in this context. The sentence "The system can defect errors" is grammatically incorrect and nonsensical. Therefore, "detect" is the correct choice.

Grammar examples from the TOEIC test

Detect is used as a transitive verb, requiring an object (what is detected).

▪The device detects smoke.
▪The device finds smoke.

detect

Idioms and fixed expressions in TOEIC

detect a trend

means 'identifying a general direction'

▪The analyst was able to detect a new trend in the market.
▪The analyst was able to identify a new direction in the market.

catch someone's attention

means 'detect someone's presence'

▪The security guard detected someone trying to enter the building.
▪The security guard saw someone trying to enter the building.

Differences between similar words and detect

detect

,

notice

differences

Detect is used to find something hidden or not obvious, while notice is to see or become aware of something more generally.

detect
▪She detected a strange smell in the room.
▪She noticed a strange smell in the room.
notice
▪He detected a pattern in the data.
▪He noticed a pattern in the data.

detect

,

spot – see

differences

Detect is used for finding something that is hidden or requires investigation, while spot is more general meaning to see or observe.

detect
▪The detective detected the hidden clue.
▪The bird watcher saw the rare species.
spot – see
▪The bird watcher spotted the rare species.
▪The bird watcher saw the rare species.

Words with the same origin as detect

The origin of detect

detect comes from the Latin 'detegere', meaning 'to uncover or reveal'.

Word structure

It has the prefix 'de' (uncover) and root 'tege' (cover), so detect means 'to uncover'.

Words with the same origin

The root of detect is 'tege' (cover). Words with the same root include protect and tectonic.

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