ENGLISH
REFERENCE

acalculia

n.
C2 Proficiency acal·cu·lia

n. a medical condition where a person loses the ability to do math or understand numbers. It usually happens after an injury to the brain.

n. a neurological condition characterized by the loss of the ability to perform mathematical calculations or understand numerical concepts. Often results from damage to the parietal lobe of the brain.


SIMPLE

The patient suffered from acalculia after the stroke.

CONTEXTUAL

Despite having a high IQ, the individual developed acalculia, making it difficult to manage personal finances or follow recipes.

COMPLEX

Acalculia is frequently observed in patients with dyscalculia, though the latter is typically a developmental disorder while the former is a result of acquired brain injury.

Origin

From a- (negative prefix) + Latin calculare (“to calculate”) + -ia (“pathological condition”).

© 2026 English Reference