oxidação — meaning in English

English meaning

• oxidation noun A chemical reaction in which a substance loses electrons; in everyday terms, the reaction of a material with oxygen, as when iron rusts or a cut apple browns.
• tarnish noun A dull discoloured film that forms on the surface of a metal, especially one exposed to air.

Senses

oxidação is used for these senses in English:

• tarnish Oxidation or discoloration, especially of a decorative metal exposed to air.

oxidation — full definition

1. noun A chemical reaction in which a substance loses electrons; in everyday terms, the reaction of a material with oxygen, as when iron rusts or a cut apple browns.
2. noun In food, drink and cosmetics, the deterioration of a product through contact with air, changing its colour, smell or taste.

tarnish — full definition

1. noun A dull discoloured film that forms on the surface of a metal, especially one exposed to air.
2. verb (of metal) To become dull or discoloured through exposure to air.
3. verb To damage or spoil someone's reputation or image.

Related Portuguese words