nigredo

(=melasma)黑斑蚧

释义与例句

n.
  1. 1.

    A process of putrefaction or decomposition, one of the four major stages of the alchemical magnum opus.

    不可数
  2. 2.

    A term in Jungian psychology referring to mental negativity.

    不可数 心理学

词源

From Latin nigrēdō (“blackness”).

来源：wiktionary