Medical Dictionary

polyvinylpyrrolidone

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noun poly·vi·nyl·pyr·rol·i·done \-ˌvīn-əl-pi-ˈräl-ə-ˌdōn\

Medical Definition of polyvinylpyrrolidone

  1. :  a water-soluble chemically inert solid polymer (−CH2CHC4H6NO−)n used chiefly in medicine as a vehicle for drugs (as iodine) and especially formerly as a plasma expander—called also povidone


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