cordierite

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noun cor·di·er·ite \ˈkȯr-dē-ə-ˌrīt\

Definition of cordierite

  1. :  a blue mineral of vitreous luster and strong dichroism that consists of a silicate of aluminum, iron, and magnesium

Origin and Etymology of cordierite

French, from Pierre L. A. Cordier †1861 French geologist


First Known Use: circa 1814


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feeling or affected by lethargy

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