PROBIOTIC
probiotic, probiotic bacterium, probiotic microflora, probiotic flora
(noun) a beneficial bacterium found in the intestinal tract of healthy mammals; often considered to be a plant
Source: WordNet® 3.1
Etymology
Noun
probiotic (plural probiotics)
(bacteriology) A food or dietary supplement, such as a yogurt, containing live bacteria for therapeutic reasons.
Adjective
probiotic (comparative more probiotic, superlative most probiotic)
(ecology) Of, or relating to probiosis; ecologic facilitation.
Describing any dietary supplement that contains live bacteria for therapeutic purposes.
Source: Wiktionary