Definitions for oxidizer
Random House Webster's College Dictionary
ox•i•dizeˈɒk sɪˌdaɪz(v.)-dized, -diz•ing.
(v.t.)to combine chemically with oxygen; convert into an oxide.
to cover with a coating of oxide or rust.
to increase the valence of (an atom or molecule) by removing electrons.
Ref: Compare reduce (def. 9c). 12 4
(v.i.)to become oxidized.
Origin of oxidize:
oxidant, oxidizer, oxidiser, oxidizing agent(noun)
a substance that oxidizes another substance
An oxidizing agent, especially one used to oxidize the fuel of a rocket or a fuel cell.