noun Psychiatry.

inability or loss of the ability to perform arithmetic operations.

Origin of acalculia

< New Latin, equivalent to a- a-6 + calcul- (see calculate) + -ia -ia Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for acalculia



psychol an inability to make simple mathematical calculations

Word Origin for acalculia

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




A form of aphasia characterized by the inability to perform mathematical calculations.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.