Medical Dictionary

beta hydroxy acid

variants: also

beta hydroxy

Medical Definition of beta hydroxy acid

  1. :  any of various carboxylic acids with a hydroxyl group attached at the beta position; specifically :  salicylic acid A better fix is to exfoliate with a high-concentration beta hydroxy acid product designed for warts.—Paula Begoun, The Houston Chronicle, 21 Oct. 1999—abbreviation BHA

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a rounded knoll or a ridge of ice

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