noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Two acetyl groups in a compound in-compounds, uncountable
2. 2
   Synonym of butanedione. uncountable

Synonyms

All synonyms

butanedionepopcorn lung

Etymology

From di- + acetyl.

Related phrases

artificial butter flavorpopcorn lung

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