# heneicosane

> English word · Noun

## Definitions
1. Any of very many isomers of the aliphatic hydrocarbon having twenty-one carbon atoms, but especially n-heneicosane CH₃(CH₂)₁₉CH₃

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

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/heneicosane