noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A diffused redness of the skin; blushing or flushing. uncountable
2. 2
   A "reddening" process, the fourth and final major stage of the alchemical magnum opus. uncountable

Synonyms

All synonyms

iosis

Etymology

From Latin rubēdō (“redness”).

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