Standard Lemma guide

heneicosane

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 twenty-one carbon atoms, but especially n-heneicosane CH3(CH2)19CH3

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

IUPAC nomenclature, from hen- (“one”) + eicosa- (“twenty”) + -ane (“alkane suffix”).

Across languages

Translations

8 source translations are retained for this English entry.

  • Chinese Mandarin: 二十一烷 (èrshíyīwán) — organic compound
  • French: hénicosane — organic compound
  • German: Heneicosan — organic compound
  • Italian: eneicosano — organic compound
  • Japanese: ヘンイコサン (hen'ikosan) — organic compound
  • Korean: 헨아이코세인 (henaikosein) — organic compound
  • Korean: 헨이코산 (henikosan) — organic compound
  • Polish: heneikozan — organic compound