Parkinson’s disease
noun /ˈpɑːkɪnsnz dɪziːz/
/ˈpɑːrkɪnsnz dɪziːz/
(also parkinsonism
[uncountable] /ˈpɑːkɪnsənɪzəm/
/ˈpɑːrkɪnsənɪzəm/
)- a disease of the nervous system that gets worse over a period of time and causes the muscles to become weak and the arms and legs to shakeWord Originlate 19th cent.: named after James Parkinson (1755–1824), English surgeon.