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Pronunciation varies by accent · noun
A material that has antioxidant activity in the presence of another.
Use coantioxidant when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Coantioxidant means A material that has antioxidant activity in the presence of another.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use coantioxidant where its definition matches the intended context.
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