noun troi·lite \ˈtrō-ə-ˌlīt, ˈtrȯi-ˌlīt\

Definition of troilite

  1. :  a mineral that is a variety of pyrrhotite and that is widely but sparsely distributed (as on earth, in meteorites, and in lunar soil samples)

Origin and Etymology of troilite

German Troilit, from Domenico Troili, 18th century Italian scientist + German -it -ite

First Known Use: circa 1868

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