1 detect | Definition of detect

detect

verb
de·​tect | \ di-ˈtekt How to pronounce detect (audio) , dē-\
detected; detecting; detects

Definition of detect

transitive verb

1 : to discover the true character of detecting drug smugglers
2 : to discover or determine the existence, presence, or fact of detect alcohol in the blood Do I detect a note of sarcasm in your voice?

intransitive verb

: to work as a detective

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Other Words from detect

detectability \ di-​ˌtek-​tə-​ˈbi-​lə-​tē How to pronounce detectability (audio) , dē-​ \ noun
detectable \ di-​ˈtek-​tə-​bəl How to pronounce detectable (audio) , dē-​ \ adjective

Examples of detect in a Sentence

The test is used to detect the presence of alcohol in the blood. This type of cancer is difficult to detect in its early stages.

Recent Examples on the Web

The lander will also have instruments capable of detecting isotopes like helium-3, a potential fuel for future fusion reactors. Wired, "India Is Ready to Touch Down Near the Moon’s South Pole," 5 Sep. 2019 From there, an attacker can extract private information without being easily detected. Diego Mendoza-moyers, ExpressNews.com, "5G: What is it, and how will it change your life?," 2 Sep. 2019 Unlike PET scans, fMRIs measure brain activity by detecting changes in blood oxygen levels. Emily Underwood, Science | AAAS, "Brain scans could help personalize treatment for people who are depressed or suicidal," 20 Aug. 2019 Over the last two decades, however, the medical field has made progress in detecting the disease by identifying diagnostic biomarkers, or biological signs of disease. The Conversation, oregonlive.com, "Here’s what we know about blood tests for Alzheimer’s," 10 Aug. 2019 Even my mother, an expert in detecting interloping odors, couldn’t catch anything. Luke Winkie, Vox, "From condemning “white terrorism” to condemning video games: Republican responses to El Paso shooting," 5 Aug. 2019 These pheromone traps are useful for detecting beetle emergence but not recommended as a control method. Tim Johnson, chicagotribune.com, "It’s Japanese beetle season. Here’s how to protect your plants from these voracious pests.," 26 July 2019 Law enforcement is getting better at detecting child pornography and catching offenders. Hanna Kozlowska, Quartz, "There’s a global movement of Facebook vigilantes who hunt pedophiles," 24 July 2019 Sometimes machine learning technology good at detecting patterns that are racist, or sexist. Mary Kilpatrick, cleveland.com, "Cleveland artificial intelligence conference explains the tech that affects your everyday life," 15 July 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'detect.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of detect

1574, in the meaning defined at transitive sense 1

History and Etymology for detect

Middle English, from Latin detectus, past participle of detegere to uncover, detect, from de- + tegere to cover — more at thatch

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More Definitions for detect

detect

verb

English Language Learners Definition of detect

: to discover or notice the presence of (something that is hidden or hard to see, hear, taste, etc.)

detect

verb
de·​tect | \ di-ˈtekt How to pronounce detect (audio) \
detected; detecting

Kids Definition of detect

: to learn that something or someone is or was there detect smoke

Other Words from detect

detector \ -​ˈtek-​tər \ noun

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More from Merriam-Webster on detect

Rhyming Dictionary: Words that rhyme with detect

Thesaurus: All synonyms and antonyms for detect

Spanish Central: Translation of detect

Nglish: Translation of detect for Spanish Speakers

Britannica English: Translation of detect for Arabic Speakers