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polyvinyl butyral
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noun Chemistry.
a white, water-insoluble, polyvinyl acetal made with butyraldehyde, used chiefly as an interlayer in the manufacture of safety glass.
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Origin of polyvinyl butyral
First recorded in 1940–45
Words nearby polyvinyl butyral
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023