noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   An orthorhombic colorless mineral containing aluminum, hydrogen, magnesium, oxygen, and phosphorus. uncountable, usually

Etymology

From Alderman + -ite, after mineralogist Arthur Richard Alderman.

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