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sul·fo·sal·i·cyl·ic acid or chiefly Brit sul·pho·sal·i·cyl·ic acid .səl-fō-.sal-ə-.sil-ik- n a sulfonic acid derivative C7H6O6S3 used esp. to detect and precipitate proteins (as albumin) from urine
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sul·fo·sal·i·cyl·ic ac·id (sul″fo-sal″ĭ-silґik) a protein precipitant used in qualitative tests for protein in urine and cerebrospinal fluid. See under method. Called also salicylsulfonic acid.Medical dictionary. 2011.