noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The organic chemical compound ethylene. The simplest alkene, a colorless gaseous (at room temperature and pressure) hydrocarbon with the chemical formula C₂H₄ IUPAC, countable, uncountable
2. 2
   a flammable colorless gaseous alkene; obtained from petroleum and natural gas and used in manufacturing many other chemicals; sometimes used as an anesthetic wordnet
3. 3
   Any alkene derived from ethylene countable, uncountable

Synonyms

All synonyms

ethyleneethyleneolefiant gas

Related phrases

chemical formula

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