01 v. t. To deprive of its natural qualities; change the nature of.
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1.
To deprive of its natural qualities; change the nature of.
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2.
to render (ethyl alcohol) unfit to drink by adding in toxic or unpalatable substances (such as benzene or pyridine) which nevertherless permit alcohol to be used as a solvent.
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3.
modify the tertiary structure of (a protein or nucleic acid) so as to reduce or destroy its characteristic biological activity.