Meaning
Any of a class of unsaturated open-chain hydrocarbons such as ethylene; an alkene with only one carbon-carbon double bond.
Etymology
Origin: Unknown
From olefiant, "oil-producing".
Synonyms & Antonyms
NYT Puzzle Appearances
No published puzzle dates on file for this word yet. It is part of the official NYT Spelling Bee word list for 2023, 2025, 2026.