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ALL meanings of isomerism

i·som·er·ism
I i
  • noun isomerism (chemistry) the phenomenon of the existence of isomers - the existence of different substances with the same molecular formulae. 1
  • noun isomerism Chemistry. the relation of two or more compounds, radicals, or ions that are composed of the same kinds and numbers of atoms but differ from each other in structural arrangement (structural isomerism) as CH 3 OCH 3 and CH 3 CH 2 OH, or in the arrangement of their atoms in space and therefore in one or more properties. Compare optical isomerism, stereoisomerism. 1
  • noun isomerism Also called nuclear isomerism. Physics. the relation of two or more nuclides that have the same atomic number and mass number but different energy levels and half-lives. 1
  • noun isomerism Chemistry, Physics. the phenomenon characterized by such a relation. 1
  • noun isomerism the state or condition of being isomerous. 1
  • noun isomerism the existence of two or more compounds having the same molecular formula but a different arrangement of atoms within the molecule 0
  • noun isomerism the existence of two or more nuclides having the same atomic numbers and mass numbers but different energy states 0
  • noun isomerism the state or relation of isomers 0
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