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oxidant
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oxidant

ox·i·dant [ óksidənt ] (plural ox·i·dants)


noun 
Definition:
 
1. oxidizing agent: a substance that oxidizes other substances

2. substance in fuel: a substance in a bipropellant rocket fuel that contains oxygen to support the combustion of another substance, usually liquid oxygen, hydrogen peroxide, or nitric acid

[Late 19th century. < French< oxide (see oxide)]
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