Denaturation

n. alteration or removal of natural properties; process by which alcohol is rendered unfit to drink

Denaturation may refer to:Denaturation (biochemistry) -- a structural change in macromolecules caused by extreme conditionsDenaturation (fissile materials) -- transforming fissile materials so that they cannot be used in nuclear weaponsDenaturation (food) -- intentional adulteration of food or drink rendering it unfit for consumption while remaining suitable for other uses
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n. denaturation

Reversible disruption of hydrogen bonds between nucleotides converting a double-stranded DNA molecule to single-stranded molecules. Heating or strong alkali treatment result in denaturation of DNA.

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1. A loss of chemical function, usually due to some heat or chemically-induced structural change. For example, heating a protein causes it to lose its three dimensional form and it no longer functions correctly.