— psychopathological /suy'koh path'euh loj"i keuhl/ , psychopathologic , adj. — psychopathologist , n.
/suy'koh peuh thol"euh jee/ , n.
1. the science or study of mental disorders.
2. the conditions and processes of a mental disorder.
3. a pathological deviation from normal or efficient behavior; psychosis.
[ 1840-50; PSYCHO- + PATHOLOGY ]