Sewardite
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 An orthorhombic-dipyramidal mineral containing arsenic, calcium, hydrogen, iron, oxygen, and zinc.
Etymology
From the surname Seward + -ite.
More for "sewardite"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.