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Definition of: denature
(dē·nā′chər) v.t. ·tured, ·tur·ing
1. To alter the natural properties of (a substance) by adding an adulterant.
2. Biochem. To modify the molecular structure of (a protein or nucleic acid) by physical or chemical means. Also de·na′tur·ize.
—de·na′tur·ant noun
—de·na′tur·a′tion noun
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