mullite

noun

mull·ite ˈmə-ˌlīt

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

Word History

Etymology

Mull, island of the Inner Hebrides

First Known Use

1924, in the meaning defined above

Time Traveler

The first known use of mullite was in 1924

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Browse Nearby Words

Mullis

mullite

mullitization

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Cite this Entry

Style

“Mullite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mullite. Accessed 21 May. 2025.

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