rubedo

[医] 发红, 赧红

释义与例句

n.
  1. 1.

    A diffused redness of the skin; blushing or flushing.

    不可数 医学
  2. 2.

    A "reddening" process, the fourth and final major stage of the alchemical magnum opus.

    不可数

词源

From Latin rubēdō (“redness”).

来源：wiktionary