| 单词 | detector |
| 释义 | detector /di tek"teuhr/, n. 1. a person or thing that detects. 2. a device for detecting smoke, fire, or some other hazardous condition. 3. a device for detecting the presence of metal, contraband, or other items that might be hidden or concealed. 4. Telecommunications. a. a device for detecting electric oscillations or waves. b. a device, as a crystal detector or a vacuum tube, that rectifies the alternating current in a radio receiver. [1535-45; < LL detector revealer, equiv. to L deteg(ere) to uncover, reveal (see DETECT) + -tor -TOR] |
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