Definition of probiotic in English:

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Pronunciation: /ˌprōbīˈädik/


Denoting a substance that stimulates the growth of microorganisms, especially those with beneficial properties (such as those of the intestinal flora).
Example sentences
  • Not to be confused with probiotics, prebiotics are those substances that stimulate growth of probiotic organisms.
  • The differences were reduced when adjusted for age, but the authors conclude that probiotic milk could provide a useful public health intervention.
  • The process also ensures the protein, okara, isoflavones, phytosterols, probiotic sugars and oil remain in their naturally occurring forms.


1A probiotic substance or preparation.
Example sentences
  • For example, say some researchers, purified probiotic DNA or irradiated probiotics may be safer than viable preparations, and could be used by people with compromised immune systems.
  • To combat the problems of gastrointestinal infection, a probiotic must be non-pathogenic and must act against pathogens by different mechanisms from antibiotics for example, by competition.
  • The exact mechanisms by which probiotics prevent atopy are also under debate.
1.1A microorganism introduced into the body for its beneficial qualities.
Example sentences
  • The popular media have learned about probiotics and beneficial bacteria and are reporting about it more often, to savvy consumers with instant access to information at the click of a mouse button.
  • A prebiotic functions by selectively stimulating the growth of probiotics and other beneficial bacteria in the GI tract.
  • They feed the beneficial bacteria and modify the composition of intestinal microflora so probiotics can predominate.

For editors and proofreaders

Syllabification: pro·bi·ot·ic

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