Phrase guide

geometric isomerism

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

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1

noun

Meaning 1

(dated, deprecated by IUPAC) A form of isomerism in which, in one isomer two atoms or groups are on the same side of the plane of a double bond or ring, whereas in the other isomer they are on opposite sides; these are cis- and trans- isomers, respectively.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Topics: chemistry, natural-sciences, physical-sciences

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Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

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Across languages

Translations

5 source translations are retained for this English entry.

  • Chinese Cantonese: 幾何異構 /几何异构 (gei2 ho4 ji6 kau3, gei2 ho4 ji6 gau3) — form of isomerism
  • Chinese Mandarin: 幾何異構 /几何异构 (jǐhé yìgòu) — form of isomerism
  • French: isomérie géométrique — form of isomerism
  • Japanese: 幾何異性 (kika isei) — form of isomerism
  • Spanish: isomería geométrica — form of isomerism