n.
Pronunciation: ˌ a-s ə - ' dä-f( ə -)l ə s
Function: noun
Etymology: New Latin, acidophilic
Date: 1921
: 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