Definition of polyvinyl alcohol in English:

polyvinyl alcohol

noun

  • Any of a series of polymers consisting wholly or largely of the repeating unit —CH₂—CHOH—, prepared by hydrolysis of polyvinyl esters and used as emulsifiers, adhesives, coatings, films, fibres, etc.; abbreviated PVA.

Origin

1920s; earliest use found in British Chemical Abstracts.