denature

verb

Derived from dénaturer

to dehumanize
to deprive of natural qualities : change the nature of: such as: to make (alcohol) unfit for drinking (as by adding an obnoxious substance) without impairing usefulness for other purposes
to deprive of natural qualities : change the nature of: such as: to modify the molecular structure of (something, such as a protein or DNA) especially by heat, acid, alkali, or ultraviolet radiation so as to destroy or diminish some of the original properties and especially the specific biological activity
to become denatured