noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The aliphatic aldehyde CH₃-CH₂-CHO; it is used in the manufacture of plastics etc. countable, uncountable
2. 2
   a colorless liquid aldehyde wordnet

Synonyms

All synonyms

propanalpropanal

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