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a complex of iodine and polyvinylpyrrolidone that has broad-spectrum antimicrobial activity: used as an antiseptic.
a nonmetallic halogen element occurring at ordinary temperatures as a grayish-black crystalline solid that sublimes to a dense violet vapor when heated: used in medicine as an antiseptic. I; 126.904; 53; (solid) 4.93 at 20°C.
