1. Changed in nature or natural quality
   "denatured alcohol";
   - denaturized, denaturised [Brit]

1. Modify (as a native protein) especially by heat, acid, alkali, or ultraviolet radiation so that all of the original properties are removed or diminished
   "The scientist denatured the protein to study its structure"
    
2. Make (alcohol) unfit for drinking without impairing usefulness for other purposes
   "The government required companies to denature industrial alcohol"
    
3. Add nonfissionable material to (fissionable material) so as to make unsuitable for use in an atomic bomb
   "They denatured the uranium to prevent its use in weapons"

See also: changed

Type of: alter, change, modify

Encyclopedia: Denatured