noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A pustule that occurs on the leaves and stems of a plant infected with rust fungus.

Synonyms

All synonyms

uredium

Etymology

From Latin uredo (stem uredin-) + -ium.

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