n.
Pronunciation: pr ō -b ī - ' ä-tik, -b ē - ' ä-
Function: noun
Etymology: 2 pro- + -biotic (as in antibiotic )
Date: 1951
: a preparation (as a dietary supplement) containing live bacteria (as lactobacilli) that is taken orally to restore beneficial bacteria to the body also : a bacterium of such a preparation
– probiotic adjective