noun, (used with a singular or plural verb) Meteorology. 1. streaks of water drops or ice particles falling out of a cloud and evaporating before reaching the ground (distinguished from praecipitatio). Origin of virga. 1935-1940.
Homicidal ideation. Homicidal ideation is a common medical term for thoughts about homicide. There is a range of homicidal thoughts which spans from vague ideas of revenge to detailed and fully formulated plans without the act itself. Many people who have homicidal ideation do not commit homicide.
Hearing and seeing things that are not real, also known as auditory and visual hallucinations, are psychotic symptoms associated with schizophrenia. Experts don't know the exact cause of the psychotic symptoms of schizophrenia, although research has revealed that an underlying chemical imbalance in the brain plays a role.