See Also: psychosis(encyclopedia)
ICU psychosis(medicine)
psychosis(dictionary)
Psychosis(medicine)
Psychosis(health)
psychosis(dictionary)
pseudo psychosis(medicine)
posttraumatic psychosis(medicine)
postpartum psychosis(medicine)
postinfectious psychosis(medicine)

psychosis (iou)



psychosis noun. . M19.
[from PSYCHE noun1 + -OSIS, prob. after neurosis.]
Psychology. Orig., any kind of disordered mental state. Now spec. (a) severe mental illness, derangement, or disorder involving a loss of contact with reality, freq. with hallucinations, delusions, or altered thought processes, with or without a known organic origin. Cf. NEUROSIS.