Mack's cement

noun

ˈmak(s)-
: a cementing material made by the complete dehydration of gypsum and the addition of a small percentage of calcined sodium sulfate and potassium sulfate

Word History

Etymology

after L. Mack, 19th century scientist

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Cite this Entry

“Mack's cement.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Mack%27s%20cement. Accessed 25 Apr. 2025.

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