denature

verb de·na·ture \ (ˌ)dē-ˈnā-chər \
|Updated on: 27 Jul 2018

Definition of denature

denatured; denaturing play \-ˈnā-ch(ə-)riŋ\
2 : to deprive of natural qualities : change the nature of: such as
a : to make (alcohol) unfit for drinking (as by adding an obnoxious substance) without impairing usefulness for other purposes
b : 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

denaturant

play \(ˌ)dē-ˈnā-chər-ənt\ noun

denaturation

play \(ˌ)dē-ˌnā-chə-ˈrā-shən\ noun

Recent Examples of denature from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'denature.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of denature

1685

in the meaning defined at transitive sense 1

See Words from the same year
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Medical Dictionary

denature

verb de·na·ture \ (ˈ)dē-ˈnā-chər \

medical Definition of denature

denatured; denaturing play \-ˈnāch-(ə-)riŋ\
: to deprive of natural qualities: as
a : to make (alcohol) unfit for drinking (as by adding an obnoxious substance) without impairing usefulness for other purposes
b : to modify the molecular structure of (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


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