| 单词 | attenuate |
| 释义 | attenuate v. /euh ten"yooh ayt'/; adj. /euh ten"yooh it, -ayt'/, v. , attenuated, attenuating, adj. v.t. 1. to weaken or reduce in force, intensity, effect, quantity, or value: to attenuate desire. 2. to make thin; make slender or fine. 3. Bacteriol. , Immunol. to render less virulent, as a strain of pathogenic virus or bacterium. 4. Electronics. to decrease the amplitude of (an electronic signal). v.i. 5. to become thin or fine; lessen. adj. 6. weakened; diminishing. 7. Bot. tapering gradually to a narrow extremity. [1520-30; < L attenuatus (ptp. of attenuare to thin, reduce). See AT-, TENUIS, -ATE1] |
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