单词 | attenuate |
释义 | Word Frequency attenuateverb (əˈtɛnjʊˌeɪt) 1. to weaken or become weak; reduce in size, strength, density, or value 2. to make or become thin or fine; extend 3. (transitive) to make (a pathogenic bacterium, virus, etc) less virulent, as by culture in special media or exposure to heat adjective (əˈtɛnjʊɪt, -ˌeɪt) 4. diluted, weakened, slender, or reduced 5. botany tapering gradually to a point Word origin C16: from Latin attenuāre to weaken, from tenuis thin |
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