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acalculia

[ey-kal-kyoo-lee-uh]
noun Psychiatry.
  1. inability or loss of the ability to perform arithmetic operations.
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Origin of acalculia

< New Latin, equivalent to a- a-6 + calcul- (see calculate) + -ia -ia
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for acalculia

acalculia

noun
  1. psychol an inability to make simple mathematical calculations
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Word Origin

C20: from a- 1 + Latin calculāre to calculate
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
acalculia in Medicine

acalculia

(ā′kăl-kyōō′lē-ə)
n.
  1. A form of aphasia characterized by the inability to perform mathematical calculations.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.