WordReference Random House Unabridged Dictionary of American English © 2017
a•cal•cu•li•a  (ā′kal kyo̅o̅lē ə),USA pronunciation n. [Psychiatry.]
  1. Psychiatryinability or loss of the ability to perform arithmetic operations.
  • Neo-Latin, equivalent. to a- a-6 + calcul- (see calculate) + -ia -ia

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