de·na·ture (dē-nā
chər)
tr.v. de·na·tured, de·na·tur·ing, de·na·tures ► To change the nature or natural qualities of.
► To render unfit to eat or drink without destroying usefulness in other applications, especially to add methanol to (ethyl alcohol).
► Biochemistry. ■ To cause the tertiary structure of (a protein) to unfold, as with heat, alkali, or acid, so that some of its original properties, especially its biological activity, are diminished or eliminated.
■ To cause the paired strands of (double-stranded DNA) to separate into individual single strands.
► Physics. To add nonfissionable matter to (fissionable material) so as to prevent use in an atomic weapon.
[TahlilGaran] American Dictionary ▲