noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A type of large quartz present as individual crystals and clusters of crystals, as well as overgrowths on detrital quartz grains, found in Quaternary dolomites. uncountable

Etymology

From mega- + quartz.

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