plural -s
: a mineral MnPb3H(AsO3)3 consisting of an acid lead manganese arsenite and occurring in yellow to brown triangular wedge-shaped crystals (hardness 2–3)

Word History


German trigonit, from trigon- + -it -ite

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Dictionary Entries Near trigonite

Cite this Entry

“Trigonite.” Dictionary, Merriam-Webster, Accessed 12 Jun. 2024.

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