positional isomer

noun

any isomer that differs from another isomer only in the position of a substituent, or of a double or triple bond

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Meanings

nounpositional isomer (plural positional isomers)

plural positional isomers

  1. chemistryany isomer that differs from another isomer only in the position of a substituent, or of a double or triple bond
Cite this entry
APA

positional isomer. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/positional%20isomer

MLA

“positional isomer.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/positional%20isomer. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “positional isomer,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/positional%20isomer.

Source: positional isomer on Wiktionary, CC BY-SA 4.0.