| acidophil | (n) an organism that thrives in a relatively acid environment, Syn. acidophile |
| acidophilic | (adj) especially of some bacteria; growing well in an acid medium, Syn. aciduric, acidophilous |
| acidophilus | (n) a bacterium that is used to make yogurt and to supplement probiotics, Syn. Lactobacillus acidophilus |
| acidophilus milk | (n) milk fermented by bacteria; used to treat gastrointestinal disorders |
| acidophilous | |