Psychosis
Pronunciation : Psy*cho"sis
Part of Speech : n.
Etymology : [NL. See Psycho-.]
Definition : 1. Any vital action or activity. Mivart.
2. (Med.)
Defn: A disease of the mind; especially, a functional mental disorder, that is, one unattended with evident organic changes.
Source : Webster's Unabridged Dictionary, 1913