oxidised

Describes a substance that has undergone a chemical reaction with oxygen, often resulting in a change in color or composition.

• 🇵🇹Descreve uma substância que passou por uma reação química com oxigênio, frequentemente resultando em mudança de cor ou composição. Pode também indicar algo que enferrujou ou ficou coberto por uma camada de óxido.

1. Combined with oxygen B2 formal scientific

   Having undergone a chemical reaction where a substance combines with oxygen, often resulting in a change in color or properties.

   • The oxidised metal surface turned a dull green color.
   • When iron is oxidised, it forms rust.
   • The wine had an oxidised flavor, indicating it had been exposed to air for too long.

   🇵🇹Oxidado

   Sinônimos: corrodedrusted

   Antônimos: reduced

• more oxidised comparative form
• most oxidised superlative form

A verb meaning to combine or cause to combine with oxygen, or to undergo a chemical reaction in which electrons are lost.

• 🇵🇹Verbo que significa combinar ou fazer combinar com oxigênio, ou sofrer uma reação química na qual elétrons são perdidos.

1. Add oxygen to or combine with oxygen B2 formal scientific

   To cause a substance to combine with oxygen, often resulting in a chemical change.

   • When you heat copper, it oxidises and turns black.
   • The process oxidises the iron, forming rust.
   • Bleach oxidises stains, making them disappear.

   🇵🇹Oxidar

   Sinônimos: oxygenateoxygenize

   Antônimos: reduce

2. Enter into a combination with oxygen B2 formal scientific

   To undergo a chemical reaction where a substance combines with oxygen, often becoming an oxide.

   • Iron oxidises quickly in a humid environment.
   • The metal oxidises when exposed to air and moisture.
   • Fruit oxidises and turns brown after being cut.

   🇵🇹Oxidar

   Sinônimos: corroderusttarnish

• oxidised past participle
• oxidized past participle
• oxidised past simple
• oxidized past simple
• oxidising present participle
• oxidizing present participle
• oxidises third person singular
• oxidizes third person singular