Standard Lemma guide

octacosane

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 very many isomers of the aliphatic hydrocarbon having 28 carbon atoms, but especially n-octacosane CH3(CH2)26CH3

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

Etymology tree Proto-Indo-European *oḱtṓw Proto-Hellenic *oktṓ Ancient Greek ὀκτώ (oktṓ) Ancient Greek ὀκτᾰ- (oktă-) English octa- English -cosa- Proto-Indo-European *-nós Proto-Italic *-nos Latin -nus Latin -ānusder. English -ane English octacosane From octa- + -cosa- + -ane.

Across languages

Translations

8 source translations are retained for this English entry.

  • Chinese Mandarin: 二十八烷 (èrshíbāwán) — organic compound
  • French: octacosane — organic compound
  • German: Octacosan — organic compound
  • Italian: ottacosano — organic compound
  • Japanese: オクタコサン (okutakosan) — organic compound
  • Korean: 옥타코세인 (oktakosein) — organic compound
  • Korean: 옥타코산 (oktakosan) — organic compound
  • Polish: oktakozan — organic compound