noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A rare white triclinic arsenate mineral with waxy lustre. uncountable

Etymology

From Weil + -ite, after René Weil (1901–1983), professor of mineralogy at the University of Strasbourg.

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