noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   An isometric-hexoctahedral mineral containing antimony, calcium, lead, and oxygen.

Etymology

From Ancient Greek μόνιμος (mónimos, “stable, permanent”) + -lite because it is a mineral that resists chemical decomposition.

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