Standard Lemma guide

isomeric

adj · 3 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.

Sound

Pronunciation

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1

adj

Meaning 1

Being an isomer.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable, physical

Qualifier: nuclear physics

Topics: chemistry, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Exhibiting isomerism.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable, physical

Topics: chemistry, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adjective

Meaning 3

of or relating to or exhibiting isomerism

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Etymology tree English isomer Proto-Indo-European *-ikos Proto-Italic *-ikos Latin -icuslbor. Old French -iquebor. Middle English -ik English -ic English isomeric From isomer + -ic.

Across languages

Translations

16 source translations are retained for this English entry.

  • Catalan: isòmer — being an isomer
  • Catalan: isomèric — being an isomer
  • French: isomérique — being an isomer
  • Greek: ισομερής (isomerís) — being an isomer
  • Ido: izomera — being an isomer
  • Irish: isiméireach — being an isomer
  • Italian: isomerico — being an isomer
  • Russian: изоме́рный (izomérnyj) — being an isomer
  • Spanish: isómero — being an isomer
  • Catalan: isòmer — exhibiting isomerism
  • Catalan: isomèric — exhibiting isomerism
  • French: isomérique — exhibiting isomerism
  • Greek: ισομερής (isomerís) — exhibiting isomerism
  • Irish: isiméireach — exhibiting isomerism
  • Italian: isomerico — exhibiting isomerism
  • Russian: изоме́рный (izomérnyj) — exhibiting isomerism