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Merriam-Webster's Collegiate Dictionary de·tect ETYMOLOGY Middle English, from Latin detectus, past participle of detegere to uncover, detect, from de- + tegere to cover — more at thatch DATE 1574 transitive verb 1. to discover the true character of 2. to discover or determine the existence, presence, or fact of detect alcohol in the blood 3. demodulate intransitive verb : to work as a detective English Etymology detect mid-15c., from L. detectus, pp. of detegere "uncover, disclose," from de- "un-, off" + tegere "to cover" (see stegosaurus). Oxford Advanced Learner's Dictionary-牛津双解-OALD7 detect de·tect / di5tekt / verb[VN] to discover or notice sth, especially sth that is not easy to see, hear, etc. 发现；查明；侦察出: The tests are designed to detect the disease early. 这些检查旨在早期查出疾病。 an instrument that can detect small amounts of radiation 能检测微量辐射的仪器 Do I detect a note of criticism? 这好像带有批评的口吻吧？ ⇨ note at notice • de·tect·able adj.: The noise is barely detectable by the human ear. 这种噪音人的耳朵几乎是察觉不到的。 OPP undetectable Oxford Collocations Dictionary for Students of English detect verb ADV. early, late A lot of cancers can now be cured if they are detected early. | quickly | easily, readily Some substances can be detected fairly easily. | accurately VERB + DETECT be able to, be sensitive enough to, can a machine that is sensitive enough to detect tiny amounts of explosives | be unable to | be designed to | fail to The test failed to detect any illegal substances. | be difficult to, be hard to, be impossible to | be easy to, be possible to | be used to PHRASES be capable of detecting sth, a means/method/way of detecting sth OLT detect verb ⇨ notice Webster's Third New International Dictionary, Unabridged de·tect \də̇ˈtekt, dēˈ-\ transitive verb (-ed/-ing/-s) Etymology: Middle English detecten, from Latin detectus, past participle of detegere to uncover, detect, from de from, away + tegere to cover — more at thatch 1. : to discover the true especially hidden or disguised character of (a person) < detect a hypocrite > < potential crack-ups who should have been detected at the induction center — S.L.A.Marshall > 2. : to discover or determine the existence, presence, or fact of < detect the presence of alcohol in blood > < radar devices to detect enemy planes > < his keen eyes detected a slight movement in the bushes > 3. radio a. : to determine the presence of (a signal) b. : rectify c. : to convert (a modulated wave or current) into the original modulating wave or current : demodulate Synonyms: see discover |
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