Main Entry: de·na·ture
Pronunciation: (')dE-'nA-ch&r
Function: verb
Inflected Forms: de·na·tured;de·na·tur·ing /-'nAch-(&-)ri[ng]/
Function: transitive verb
: to deprive of natural qualities: as a : to make(alcohol) unfit for drinking (as by adding an obnoxious substance) without impairing usefulness for other purposes b : to modify the molecular structure of (as a protein or DNA)especially by heat, acid, alkali, or ultraviolet radiation so as to destroy or diminish some of the original properties and especially the specific biological activity denature intransitivesenses
: to become denatured