Binghamite
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 A type of agate stone found in Minnesota. uncountable
Etymology
From Bingham + -ite, after William Bingham, a lapidary, who discovered it in 1936.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.