acidophilus
Concise Oxford English Dictionary © 2008 Oxford University Press:
acidophilus /ˌasɪˈdɒfɪləs/
▶noun a bacterium used to make yogurt. [Lactobacillus acidophilus.]
– origin 1920s: mod. L., lit. ‘acid-loving’.
'acidophilus' also found in these Oxford entries:

