laitance

noun
lai·​tance | \ ˈlā-tᵊn(t)s How to pronounce laitance (audio) \

Definition of laitance

: an accumulation of fine particles on the surface of fresh concrete due to an upward movement of water (as when excessive mixing water is used)

First Known Use of laitance

circa 1902, in the meaning defined above

History and Etymology for laitance

French, from lait milk, from Latin lact-, lac — more at galaxy

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Time Traveler for laitance

Time Traveler

The first known use of laitance was circa 1902

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Cite this Entry

“Laitance.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/laitance. Accessed 8 Mar. 2021.

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