a common neurologic disease believed to be caused by deterioration of the brain cells that produce dopamine, occurring primarily after the age of 60, characterized by tremors, especially of the fingers and hands, muscle rigidity, shuffling gait, slow speech, and a masklike facial expression.
- Also called Parkinson’s, parkinsonism .
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
British Dictionary definitions for Parkinson's disease
a progressive chronic disorder of the central nervous system characterized by impaired muscular coordination and tremor: Often shortened to: Parkinson's Also called: Parkinsonism, Parkinson's syndrome, paralysis agitans, shaking palsy
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for Parkinson's disease
A progressive neurologic disease occurring most often after the age of 50, associated with the destruction of brain cells that produce dopamine. Individuals with Parkinson's disease exhibit tremors while at rest, slowing of movement, stiffening of gait and posture, and weakness. The disease is named after its discoverer, British physician and paleontologist James Parkinson (1755-1824).
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Cultural definitions for Parkinson's disease
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.