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.
The nonspecific concept of madness has been around for many thousands of years and schizophrenia was only classified as a distinct mental disorder by Kraepelin in 1887. He was the first to make a distinction in the psychotic disorders between what he called dementia praecox and manic depression. Kraepelin believed that dementia praecox was primarily a disease of the brain, and particularly a form of dementia.