noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   An orthorhombic-pyramidal yellowish white mineral containing carbon, hydrogen, and oxygen.

Etymology

From Flagstaff + -ite, named after Flagstaff, Arizona, a city near the locality of discovery.

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