denature

definition: make alcohol unfit for drinking without impairing usefulness for other purposes
example: We should denature the alcohol for use as a solvent.
speech part: verb
synonyms:
definition: modify (as a native protein) especially by heat, acid, alkali, or ultraviolet radiation so that all of the original properties are removed or diminished
example:
speech part: verb
synonyms:
definition: add nonfissionable material to (fissionable material) so as to make unsuitable for use in an atomic bomb
example:
speech part: verb
synonyms:

How denature is being used?