cis-trans isomerism

noun

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.

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Meanings

nouncis-trans isomerism (uncountable)
  1. physicaluncountablechemistryA 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.

Synonyms & antonyms

Also see
geometric isomerism

Translations

Czech cis-trans izomerie
  • cis-trans izomeriegeometric isomerism
Finnish cis-trans-isomeria
  • cis-trans-isomeriageometric isomerism
Japanese シス-トランス異性, 幾何異性
  • シス-トランス異性 (shisu-toransu isei)geometric isomerism
  • 幾何異性 (kika isei)geometric isomerism
Polish izomeria cis-trans
  • izomeria cis-transgeometric isomerism
Spanish isomería cis-trans
  • isomería cis-transgeometric isomerism
Turkish cis-trans izomeri
  • cis-trans izomerigeometric isomerism
Cite this entry
APA

cis-trans isomerism. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/cis-trans%20isomerism

MLA

“cis-trans isomerism.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/cis-trans%20isomerism. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “cis-trans isomerism,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/cis-trans%20isomerism.

Source: cis-trans isomerism on Wiktionary, CC BY-SA 4.0.