geometric stereoisomer

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isomer — 1. One of two or more substances displaying isomerism (q.v.); e.g., l glucose and d glucose or citrate and isocitrate. Cf.:stereoisomer. 2. One of two or more nuclides having the same atomic and mass numbers but differing in energy states for a… … Medical dictionary
Polarization — ( Brit. polarisation) is a property of waves that describes the orientation of their oscillations. For transverse waves, it describes the orientation of the oscillations in the plane perpendicular to the wave s direction of travel. Longitudinal… … Wikipedia
isomer — noun /ˈaɪ.sə.mə,ˈaɪ.sə.mɚ/ a) Any of two or more compounds with the same molecular formula but with different structure. b) Any of two or more atomic nuclei with the same mass number and atomic number but with different radioactive properties.… … Wiktionary
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

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