noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Any of three isomeric univalent radicals in which a hydrogen atom of a propyl radical is replaced with a hydroxy group.

Etymology

From hydroxy + propyl.

Related phrases

hydroxypropyl cellulosehydroxypropyl methyl cellulosehydroxypropyl methylcellulosehydroxypropyl starchhydroxypropyl starch glycerinehydroxypropyl starch phosphate

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