1. changes the natural properties of a protein or other biological substance, typically by heat, acid, or chemicals
Usage: scientific/biochemical
2. adds a substance to alcohol to make it unfit for drinking
Usage: technical

Examples

• Heat denatures the proteins in eggs when you cook them.
• The high temperature denatures enzymes and stops the reaction.
• Acid denatures the protein structure in milk, causing it to curdle.
• The laboratory denatures ethanol before using it as a solvent.
• Boiling water denatures many vitamins and reduces their nutritional value.
• The company denatures industrial alcohol to prevent consumption.