denature

verb5

1. •
   To take away a natural characteristic or inherent property of (a thing or a person).
2. •
   To alter its original form or state, especially of a protein, by heat, acidity etc.
3. •
   Of double-stranded DNA, specifically to split into two single strands.
4. •
   To add something to (alcohol) that makes it unsuitable for consumption but leaves it suitable for most other purposes.

   • While you cannot drink denatured alcohol, you can still use it to remove sticker glue from most surfaces.
5. •
   To combine fissile material with nonfissile material in order to prevent its use in an atomic weapon.