noun trigo·nite \ˈtrīgəˌnīt, ˈtrig-\

Definition of trigonite



  1. :  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)

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Origin and Etymology of trigonite

German trigonit, from trigon- + -it -ite

Seen and Heard

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feeling or affected by lethargy

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