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Definition of Polyvinyl alcohol
1. Noun. (chemistry) A water-soluble synthetic polymer prepared by partial or complete hydrolysis of polyvinyl acetate to remove acetate groups, having many uses, including as an adhesive and surfactant and in freshwater angling. Abbreviations: '''PVA''', '''PVAL''', '''PVOH''' ¹
¹ Source: wiktionary.com
Medical Definition of Polyvinyl alcohol
1.