parkinson Definition

a chronic progressive neurological disease chiefly of later life that is linked to decreased dopamine production in the substantia nigra and is marked especially by tremor of resting muscles, rigidity, slowness of movement, impaired balance, and a shuffling gait —called also paralysis agitans, Parkinson's, Parkinson's syndrome

an observation in office organization: the number of subordinates increases at a fixed rate regardless of the amount of work produced

an observation in office organization: work expands so as to fill the time available for its completion