noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   craniodiaphyseal dysplasia: a rare autosomal-recessive bone disorder that causes calcium to build up in the skull, disfiguring the facial features and reducing life expectancy uncountable

Etymology

From lion + -itis, from the leonine facial appearance in some cases.

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