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: 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
Dictionary Entries Near mullite
Cite this Entry
“Mullite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mullite. Accessed 1 Apr. 2023.
More from Merriam-Webster on mullite
Britannica.com: Encyclopedia article about mullite
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