noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Any of a group of disorders characterized by progressive degeneration of the white matter of the brain, caused by imperfect growth or development of the myelin sheath that acts as an insulator around nerve fibres. countable, uncountable

Etymology

From leuko- + dystrophy.

Related phrases

metachromatic leukodystrophywhite matter

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.