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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. 2021
Example sentences from the Web for polyvinyl butyral
Paraffin and polyvinyl resin are often used for scion covering and to protect newly set buds.Northern Nut Growers Association Report of the Proceedings at the Forty-Second Annual Meeting|Northern Nut Growers Association