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molecular knife

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noun

a segment of genetic material that inhibits the reproduction of the AIDS virus by breaking up specific areas of the virus's genes.

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The rainy weather could not ________ my elated spirits on my graduation day.

Origin of molecular knife

An Americanism dating back to 1990–95
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
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