denature
Pronunciation:
/diːˈneɪtjə(ɹ)/verb
Definitions
To take away a natural characteristic or inherent property of (a thing or a person).
Synonyms:denaturalizeTo add something to (alcohol) that makes it unsuitable for consumption but leaves it suitable for other purposes.
Example: While you cannot drink denatured alcohol, you can still use it to remove sticker glue from most surfaces.
To alter its original form or state, especially of a protein, by heat, acidity etc.
To combine fissionable material with nonfissionable material in order to prevent its use in an atomic weapon.