denaturise

verb5

1. •
   Take away a natural characteristic

   • Realists hold that the latter process does not disfigure or denaturise reality, since both analysis and synthesis are regulated by the objective evidence of reality itself. — 1915
2. •
   Adulterate (alcohol) to make unsuitable for human consumption

   • What substances are employed to denaturise alcohol, and what is their effect upon the burning properties of the mixture? — 1914
3. •
   Alter the chemical structure

   • Pasteurisation does not denaturise milk to the extent that boiling does. — 1948
4. •
   Combine fissionable material with nonfissionable material.
5. •
   Alternative form of denature.