Medical Dictionary


noun ac·i·doph·i·lus \ˌas-ə-ˌdäf-(ə-)ləs\

Medical Definition of ACIDOPHILUS

:  a lactobacillus (Lactobacillus acidophilus) that is added especially to dairy products (as yogurt and milk) or prepared as a dietary supplement, is part of the normal intestinal and vaginal flora, and is used therapeutically especially to promote intestinal health; also :  a preparation containing such bacteria


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