Binghamite

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A type of agate stone found in Minnesota. uncountable

Etymology

From Bingham + -ite, after William Bingham, a lapidary, who discovered it in 1936.

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