noun ten·nant·ite \ˈtenən‧ˌtīt\

Definition of tennantite



  1. :  a mineral (Cu,Fe)12As4S13 that consists of a blackish lead-gray sulfide of iron, copper, arsenic, and sulfur and is isomorphous with tetrahedrite

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Origin and Etymology of tennantite

Smithson Tennant †1815 English chemist + English -ite

Seen and Heard

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to cast off or become cast off

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