adj, noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Any medicine that produces pustules.

   "Croton oil is a pustulant."

Adjective

1. 1
   Producing, or covered in, pustules.

Etymology

From Latin pustulans, present participle. See pustulate (verb).

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