Definition of “isomer” - English Dictionary


(Definition of “isomer” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“isomer” in American English

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isomernoun [ C ]


chemistry any one of a group of chemical substances which all have the same number and type of atoms but in which the arrangement of the atoms is slightly different between each substance

(Definition of “isomer” from the Cambridge Academic Content Dictionary © Cambridge University Press)