Dictionary
id•i•o•syn•cra•sy
Pronunciation: (id"ē-u-sing'kru-sē, -sin'-), [key]—
n.,
—pl. -sies.
1. a characteristic, habit, mannerism, or the like, that is peculiar to an individual.
2. the physical constitution peculiar to an individual.
3. a peculiarity of the physical or the mental constitution, esp. susceptibility toward drugs, food, etc. Cf.
allergy (def. 1).
Also,idiocrasy.Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.