| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024de•tec•tor (di tek′tər),USA pronunciation n. - a person or thing that detects.
- a device for detecting smoke, fire, or some other hazardous condition.
- a device for detecting the presence of metal, contraband, or other items that might be hidden or concealed.
- Telecommunications
- a device for detecting electric oscillations or waves.
- Electronicsa device, as a crystal detector or a vacuum tube, that rectifies the alternating current in a radio receiver.
- Late Latin dētēctor revealer, equivalent. to Latin dēteg(ere) to uncover, reveal (see detect) + -tor -tor
- 1535–45
Collins Concise English Dictionary © HarperCollins Publishers:: detector /dɪˈtɛktə/ n - a person or thing that detects
- any mechanical sensing device
- a device used in the detection of radio signals
de•tect /dɪˈtɛkt/USA pronunciation v. [~ + object]- to discover or notice the existence of; find or find out:to detect the odor of gas.
- to discover (a person) in an act:to detect someone cheating.
- to discover the true nature of:I detected a note of pity in her voice.
de•tect•a•ble, de•tect•i•ble, adj. de•tec•tion /dɪˈtɛkʃən/USA pronunciation n. [uncountable] de•tec•tor, n. [countable] WordReference Random House Unabridged Dictionary of American English © 2024de•tect (di tekt′),USA pronunciation v.t. - to discover or catch (a person) in the performance of some act:to detect someone cheating.
- to discover the existence of:to detect the odor of gas.
- to find out the true character or activity of:to detect a spy.
- Telecommunications
- to rectify alternating signal currents in a radio receiver.
- to demodulate.
- Latin dētēctus (past participle of dētegere), equivalent. to dē- de- + teg(ere) to cover + -tus past participle suffix
- late Middle English 1400–50
- 2.See corresponding entry in Unabridged See learn.
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