denaturise

Verb

 * 1) Take away a natural characteristic
 * 2) Adulterate (alcohol) to make unsuitable for human consumption
 * 3) Alter the chemical structure
 * 4) Combine fissionable material with nonfissionable material.
 * 1) Adulterate (alcohol) to make unsuitable for human consumption
 * 2) Alter the chemical structure
 * 3) Combine fissionable material with nonfissionable material.
 * 1) Alter the chemical structure
 * 2) Combine fissionable material with nonfissionable material.
 * 1) Alter the chemical structure
 * 2) Combine fissionable material with nonfissionable material.
 * 1) Combine fissionable material with nonfissionable material.
 * 1) Combine fissionable material with nonfissionable material.
 * 1) Combine fissionable material with nonfissionable material.
 * 1) Combine fissionable material with nonfissionable material.

Usage notes
In modern usage, is generally used in preference to denaturise except when used to mean taking away a natural characteristic.