Pronunciation

change
  • (UK) IPA (key): /diːˈneɪtjə(r)/ or /diːˈneɪtʃə(r)/
  • (file)

Plain form
denature

Third-person singular
denatures

Past tense
denatured

Past participle
denatured

Present participle
denaturing

  1. (transitive) If you denature something, you take away a natural characteristic of it.
  2. (transitive) If you denature alcohol, you add something to it to make it unsuitable for consumption.
  3. (transitive & intransitive) (biochemistry) If you denature something, you change its original form or state by heat or acidity.