"oxidised" in the verb sense
1. oxidize, oxidise, oxidate
add oxygen to or combine with oxygen
2. oxidise, oxidize, oxidate
enter into a combination with oxygen or become converted into an oxide
"This metal oxidizes easily"
"oxidised" in the adjective sense
1. oxidized, oxidised
combined with or having undergone a chemical reaction with oxygen
"the oxidized form of iodine"
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License