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denaturation

noun

  1. process of modification of the molecular structure (of a protein or other biological macromolecule)
L1505954 on Wikidata ↗

Wiktionary

Pronunciation: /diːˌnætʃəˈɹeɪʃən/

noun

Etymology: Etymology tree Old French desnaturer French dénaturerbor. English denature Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Latin -ātiōlbor. Old French -ationbor. Middle English -acioun English -ation English denaturation From denature + -ation.

  1. The deliberate addition of a noxious substance to alcohol to make it unfit to drink
  2. The change of folding structure of a protein (and thus of physical properties) caused by heating, changes in pH, or exposure to certain chemicals.