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probiotic

[ proh-bahy-ot-ik ]
/ ˌproʊ baɪˈɒt ɪk /
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noun

a usually dairy food or a dietary supplement containing live bacteria that replace or add to the beneficial bacteria normally present in the gastrointestinal tract.
a bacterium in such a food or dietary supplement.

adjective

noting or pertaining to a probiotic: a probiotic yogurt drink.

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Origin of probiotic

1950-55; pro-1 + biotic, on the model of antibiotic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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British Dictionary definitions for probiotic

probiotic
/ (ˌprəʊbaɪˈɒtɪk) /

noun

a harmless bacterium that helps to protect the body from harmful bacteria
a substance that encourages the growth of natural healthy bacteria in the gut

adjective

of or relating to probioticsprobiotic yogurt

Word Origin for probiotic

C20: from pro- 1 + (anti) biotic
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for probiotic

probiotic
[ prō′bī-ŏtĭk ]

n.

A dietary supplement containing live bacteria or yeast that supplements normal gastrointestinal flora, given especially after depletion of flora caused by infection or ingestion of an antibiotic drug.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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