mullite

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noun mull·ite \ˈmə-ˌlīt\

Definition of mullite

  1. :  a mineral that is an orthorhombic silicate of aluminum which is resistant to corrosion and heat and is used as a refractory

Origin and Etymology of mullite

Mull, island of the Inner Hebrides


First Known Use: 1924


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a harsh rebuke

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