: a special psycho channel that I know nothing about. noun. A crazy person; maniac; psychopath; nut: no buzzing broad, no nympho, no psycho, no bitch (1942+) [probably fr psychotic; the form psychot, ''psychopath,'' is found by the 1940s] The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
What is a pneumogram? A pneumogram is an overnight recording of breathing effort, heart rate, oxygen level, and air flow from the lungs during sleep. It is also called a cardiorespiratory scan, CR scan, pneumocardiogram, or PCG. It can be done in the hospital or at home.
Definitions for pneumocephalus. Pneumocephalus. Pneumocephalus is the presence of air or gas within the cranial cavity. It is usually associated with disruption of the skull: after head and facial trauma, tumors of the skull base, after neurosurgery or otorhinolaryngology, and rarely, spontaneously.