1. [ verb ] modify (as a native protein) esp. by heat, acid, alkali, or ultraviolet radiation so that all of the original properties are removed or diminished
Related terms: change denaturant
2. [ verb ] add nonfissionable material to (fissionable material) so as to make unsuitable for use in an atomic bomb
Related terms: change denaturant
3. [ verb ] make (alcohol) unfit for drinking without impairing usefulness for other purposes
Related terms: change
Similar spelling:   denatured