noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   olefiant gas, or ethylene countable, uncountable
2. 2
   any unsaturated aliphatic hydrocarbon wordnet
3. 3
   any of the series of unsaturated hydrocarbons of which ethylene is a type broadly, countable, uncountable

Synonyms

All synonyms

alkenealkeneolefin

Etymology

From olefiant.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.