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Pronunciation varies by accent · adjective
(organic chemistry) hydrogenated such that hydrogen is attached to multiple double bonds.
Use polyhydrogenated when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Polyhydrogenated means (organic chemistry) hydrogenated such that hydrogen is attached to multiple double bonds.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use polyhydrogenated where its definition matches the intended context.
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