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Webster 1913 Edition


Psychosis

Psy-cho′sis

,
Noun.
[NL. See
Psycho-
.]
1.
Any vital action or activity.
Mivart.
2.
(Med.)
A disease of the mind; especially, a functional mental disorder, that is, one unattended with evident organic changes.

Definition 2024


psychosis

psychosis

English

Noun

psychosis (plural psychoses)

  1. (psychology) A severe mental disorder, sometimes with physical damage to the brain, marked by a deranged personality and a distorted view of reality.
    • 2014 April 21, Subtle effects”, in The Economist, volume 411, number 8884:
      Manganism has been known about since the 19th century, when miners exposed to ores containing manganese [] began to totter, slur their speech and behave like someone inebriated. The poisoning was irreversible, and soon ended in psychosis and death.

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