isomerism

English

Etymology

From isomer +‎ -ism.

Noun

isomerism (countable and uncountable, plural isomerisms)

  1. (physical chemistry) the phenomenon of the existence of isomers - the existence of different substances with the same molecular formulae
  2. (chemistry) the interconversion of isomers
  3. (nuclear physics) nuclear isomerism, the phenomenon of the existence of nuclear isomers.

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Further reading