attenuate
英 [?'tenj?e?t]
美[?'t?njuet]
- adj. 減弱的；稀薄的；細(xì)小的
- vt. 使減弱；使纖細(xì)
- vi. 變纖細(xì)；變?nèi)?/li>
GRE擴展詞匯
詞態(tài)變化
第三人稱單數(shù):?attenuates;過去式:?attenuated;過去分詞:?attenuated;現(xiàn)在分詞:?attenuating;名詞:?attenuation;
助記提示
1. at- "to" + tenu- + -ate.
2. 含義：make thin, make less.
3. => enfeebled, weak.
4.【信號處理】專業(yè)術(shù)語，對比記憶，信號放大與衰減：amplify（放大）<===> attenuate（衰減、減弱）。
2. 含義：make thin, make less.
3. => enfeebled, weak.
4.【信號處理】專業(yè)術(shù)語，對比記憶，信號放大與衰減：amplify（放大）<===> attenuate（衰減、減弱）。
中文詞源
attenuate 減弱，變細(xì)
前綴at-同ad-. 詞根ten, 持有，握住，見tenure. 引申義伸長，拉伸，見tend, 引申義變細(xì)，減輕，見該詞，或extenuate, 減輕。
英文詞源
- attenuate (v.)
- "to make thin, to make less," 1520s, from Latin attenuatus "enfeebled, weak," past participle of attenuare "to make thin, lessen, diminish," from ad- "to" (see ad-) + tenuare "make thin," from tenuis "thin" (see tenet). Related: Attenuated; attenuating. Earlier was Middle English attenuen "to make thin (in consistency)," early 15c.