"nigredo" meaning in English

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        "5": "blackness"
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  "lang_code": "en",
  "pos": "noun",
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        "A process of putrefaction or decomposition, one of the four major stages of the alchemical magnum opus."
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        "(alchemy) A process of putrefaction or decomposition, one of the four major stages of the alchemical magnum opus."
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          "word": "melanosis"
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        "A term in Jungian psychology referring to mental negativity."
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        "(psychology) A term in Jungian psychology referring to mental negativity."
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