sandiver

American  

[san-duh-ver] / ˈsæn də vər /

noun

1. a whitish, saline scum formed on the surface of molten glass.

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Etymology

Origin of sandiver

1300–50; Middle English saundyver < Middle French suin de verre grease of glass. See sweat, vitri-

Example Sentences

This "slag" or "glassgallen" of Agricola was also termed sandiver.

From De Re Metallica, Translated from the First Latin Edition of 1556 by Agricola, Georgius

This scum is called glass-gall or sandiver, and is carefully removed with iron ladles.

From British Manufacturing Industries Pottery, Glass and Silicates, Furniture and Woodwork. by Arnoux, L.