Standard Lemma guide

eicosane

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.

Sound

Pronunciation

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1

noun

Meaning 1

Any of the 366,319 isomers of the aliphatic hydrocarbon having the chemical formula C20H42, but especially n-eicosane CH3(CH2)18CH3.

Definition source: English Wiktionary via Wiktextract

Topics: chemistry, natural-sciences, organic-chemistry, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

A IUPAC nomenclature, from eicos- (“twenty”) + -ane (“alkane suffix”).

Across languages

Translations

10 source translations are retained for this English entry.

  • Catalan: icosà — organic compound
  • Chinese Cantonese: 二十烷 — organic compound
  • Chinese Mandarin: 二十烷 (èrshíwán) — organic compound
  • Finnish: eikosaani — organic compound
  • French: eicosane — organic compound
  • German: Eicosan — organic compound
  • Japanese: エイコサン (eikosan) — organic compound
  • Korean: 아이코세인 (aikosein) — organic compound
  • Korean: 에이코산 (eikosan) — organic compound
  • Polish: ikozan — organic compound