- short for poliomyelitis
WordReference Random House Unabridged Dictionary of American English © 2017
- shortened form 1930–35, American.
- Pathologya disease of the nerves of the spinal cord and brain that control movement, often causing paralysis.
- Pathologyan acute viral disease, usually affecting children and young adults, caused by any of three polioviruses, characterized by inflammation of the motor neurons of the brain stem and spinal cord, and resulting in a motor paralysis, followed by muscular atrophy and often permanent deformities. Also called acute anterior poliomyelitis, infantile paralysis, polio.
- Greek polió(s) gray + Neo-Latin myelitis myelitis