poly·​vi·​nyl·​pyr·​rol·​i·​done -ˌvīn-ᵊl-pi-ˈräl-ə-ˌdōn How to pronounce polyvinylpyrrolidone (audio)
: 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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Cite this Entry

“Polyvinylpyrrolidone.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/polyvinylpyrrolidone. Accessed 7 Feb. 2023.

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