denature

[ dee-ney-cher ]

/ diˈneɪ tʃər /

SEE MORE SYNONYMS FOR denature ON THESAURUS.COM

verb (used with object), de·na·tured, de·na·tur·ing.

to deprive (something) of its natural character, properties, etc.

to render (any of various alcohols) unfit for drinking by adding an unwholesome substance that does not alter usefulness for other purposes.

Biochemistry. to treat (a protein or the like) by chemical or physical means so as to alter its original state.

to make (fissionable material) unsuitable for use in an atomic weapon by mixing it with unfissionable material.

Nearby words

denarius, denary, denasalize, denationalize, denaturalize, denature, denatured alcohol, denaturize, denazify, denbighshire, dench

Origin of denature

First recorded in 1675–85; de- + nature

Related forms

de·na·tur·ant, nounde·na·tur·a·tion, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for denature

There is no way that the military establishment can denature human nature, and change this determining condition.
The Armed Forces Officer|U. S. Department of Defense

British Dictionary definitions for denature

denature

denaturize or denaturise (diːˈneɪtʃəˌraɪz)

/ (diːˈneɪtʃə) /

verb (tr)

to change the nature of

to change (a protein) by chemical or physical means, such as the action of acid or heat, to cause loss of solubility, biological activity, etc

to render (something, such as ethanol) unfit for consumption by adding nauseous substances

to render (fissile material) unfit for use in nuclear weapons by addition of an isotope

Derived Forms

denaturant, noundenaturation, noun

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for denature

denature

[ dē-nā′chər ]

v.

To change the nature or natural qualities of.

To render unfit to eat or drink without destroying usefulness in other applications, especially adding methyl alcohol to ethyl alcohol.

To alter the chemical structure of a protein, as with heat, alkali, or acid, so that some of its original properties, especially its biological activity, are diminished or eliminated.

Related forms

de•na′tur•a′tion n.

Science definitions for denature

denature

[ dē-nā′chər ]

To cause the tertiary structure of a protein to unfold, as with heat, alkali, or acid, so that some of its original properties, especially its biological activity, are diminished or eliminated.

To cause the paired strands of DNA to separate into individual strands.