# rubedo

> English word · Noun

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

## Etymology
From Latin rubēdō (“redness”).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/rubedo