spatial isomerism

spatial isomerism
stereochemical isomerism stereoisomerism.

Medical dictionary. 2011.

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  • spatial isomerism — noun : stereoisomerism …   Useful english dictionary

  • isomerism — i•som•er•ism [[t]aɪˈsɒm əˌrɪz əm[/t]] n. 1) chem. 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 or spatial arrangement 2) phs the… …   From formal English to slang

  • constitutional isomerism — the relationship between two or more isomers that have different structures (the same atoms linked in different ways), in contrast to stereoisomerism in which the isomers have the same structure but different configurations (the same linkages but …   Medical dictionary

  • stereoisomerism — Molecular asymmetry, isomerism involving different spatial arrangements of the same groups ( e.g., androsterone and isoandrosterone, differing only in that one has a 3α OH, the other a 3β OH). SEE ALSO: stereoisomer, Le Bel van t Hoff rule. SYN:… …   Medical dictionary

  • Isomer — This article is about the chemical concept. For isomerism of atomic nuclei, see nuclear isomer. In chemistry, isomers (from Greek ἰσομερής, isomerès; isos = equal , méros = part ) are compounds with the same molecular formula but different… …   Wikipedia

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