1920, used of milk fermented by acidophilic bacteria, from acidophil (1900), a hybrid word, from Latin acidus "acidic" (see acid (adj.)) + Greek philos "loving" (see -phile); the bacteria so called because they stain easily with an acid dye.
双语例句
1. Viable counts in dual - species biofilm of S. mutans and L. acidophilus were decreased 11.5 % and 48.9 % respectively.
