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Pronunciation varies by accent · noun
(physical chemistry) the phenomenon of the existence of isomers - the existence of different substances with the same molecular formulae.
Use isomerism when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Isomerism means (physical chemistry) the phenomenon of the existence of isomers - the existence of different substances with the same molecular formulae.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use isomerism where its definition matches the intended context.
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