attenuate

adj. 减弱的；稀薄的；细小的

vt. 使减弱；使纤细

vi. 变纤细；变弱

中文词源

attenuate 减弱，变细

前缀at-同ad-. 词根ten, 持有，握住，见tenure. 引申义伸长，拉伸，见tend, 引申义变细，减轻，见该词，或extenuate, 减轻。

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.

1. at- "to" + tenu- + -ate.2. 含义：make thin, make less.3. => enfeebled, weak.4.【信号处理】专业术语，对比记忆，信号放大与衰减：amplify（放大）<===> attenuate（衰减、减弱）。

1. You could never eliminate risk, but preparation and training could attenuate it.: 风险不可能完全消除，但可以通过防范和培训来降低。

2. Then we got involved with trying to find polymers that attenuate radiation.: 接著我们致力于找出能够减弱辐射的聚合物.

3. In a forest, wet wood and needles attenuate the signals.: 在森林中, 潮湿的树木与针叶会使讯号变弱.

4. We are asking a network or system to attenuate certain frequencies.: 我们正在要求一个网络或系统去压制某些频率.

5. Attaching strings to your offer will attenuate your chance to sell off the goods.: 在你们的报盘上增加附加条件就会减少你们售出货物的机会.