Mack's cement

noun \ˈmak(s)-\

Definition of Mack's cement

  1. :  a cementing material made by the complete dehydration of gypsum and the addition of a small percentage of calcined sodium sulfate and potassium sulfate

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Origin and Etymology of mack's cement

after L. Mack, 19th century scientist

Seen and Heard

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a rounded knoll or a ridge of ice

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