1. (

• oxidise ,
• oxidize ,
• oxidate ,

) enter into a combination with oxygen or become converted into an oxide; "This metal oxidizes easily" ;

2. (

• oxidize ,
• oxidise ,
• oxidate

) add oxygen to or combine with oxygen ;

1. (

• oxidized ,
• oxidised

) combined with or having undergone a chemical reaction with oxygen; "the oxidized form of iodine" ;