Definition of probiotic in English:

Share this entry


Pronunciation: /ˌprəʊbʌɪˈɒtɪk/


Denoting a substance which 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.
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.