Standard Lemma guide

octadecane

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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Pronunciation

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1

noun

Meaning 1

Any of very many isomeric alkanes having the formula C18H38, but especially n-octadecane CH3(CH2)16CH3.

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

From octadec- + -ane.

Across languages

Translations

10 source translations are retained for this English entry.

  • Chinese Cantonese: 十八烷 — organic compound
  • Chinese Mandarin: 十八烷 (shíbāwán) — organic compound
  • Finnish: oktadekaani — organic compound
  • French: octadécane — organic compound
  • German: Octadecan — organic compound
  • Japanese: オクタデカン (okutadekan) — organic compound
  • Kazakh: октадекан (oktadekan) — organic compound
  • Korean: 옥타데케인 (oktadekein) — organic compound
  • Korean: 옥타데칸 (oktadekan) — organic compound
  • Polish: oktadekan — organic compound