Iosis

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Synonym of rubedo (“reddening process in the alchemical magnum opus”). uncountable

Synonyms

All synonyms

Etymology

From Ancient Greek ἴωσις (íōsis), from ἰός (iós, “rust”).

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