pro·​bi·​ot·​ic | \ prō-bī-ˈä-tik How to pronounce probiotic (audio) , -bē-ˈä-\

Definition of probiotic

: a microorganism (such as lactobacillus) that when consumed (as in a food or a dietary supplement) maintains or restores beneficial bacteria to the digestive tract also : a product or preparation that contains such microorganisms — compare prebiotic

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Other Words from probiotic

probiotic adjective

Examples of probiotic in a Sentence

Recent Examples on the Web

This fiber also provides prebiotics, which fuel your body’s probiotics and help these friendly bacteria survive and thrive. Jaclyn London, Ms, Rd, Cdn, Good Housekeeping, "Is Oat Milk Healthy? Here's What You Need to Know, According to a Nutritionist," 11 Apr. 2019 The stinky findings are not shocking given past disappointing and inconclusive data on probiotics. Beth Mole, Ars Technica, "Probiotics: If you don’t just poop them out, they may muck up your guts," 8 Sep. 2018 Some orthorexics begin taking large amounts of supplements, powders, and probiotics to make their food even more nutrient-dense; others stop going out socially. Jancee Dunn, Vogue, "Is Othorexia the Eating Disorder for the Digital Age?," 14 Dec. 2018 Even beauty brands will be jumping on the trend by incorporating probiotics into things like lotion and sunscreen. Audrey Bruno, SELF, "12 Health Food Trends to Be on the Lookout for in 2019," 11 Dec. 2018 In a nutshell, prebiotics serve as food for probiotics, and help those beneficial microbes flourish., "6 Health Benefits of Onions," 22 June 2018 This cleanser relies on those silver ions, a gentle acid complex, and probiotics to dissolve all of the gunk and grime without disrupting your skin’s delicate oil balance. Megan Mcintyre, Glamour, "This Face Wash Is the Only Thing That Helped My Acne," 29 Aug. 2018 Sauerkraut is full of probiotics, which some research has shown can help improve gut health. Audrey Bruno, SELF, "Here's How to Make Sauerkraut," 30 Oct. 2018 One of the fastest-growing new areas are fermented drinks like kombucha, a tea containing probiotics that advocates say help with digestion and gut health. Patrick Mcgroarty, WSJ, "Dull Skin? Restless Sleep? There’s a Drink for That," 28 Aug. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'probiotic.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of probiotic

1974, in the meaning defined above

History and Etymology for probiotic

pro- entry 2 + -biotic (as in antibiotic)

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Statistics for probiotic

Last Updated

23 Apr 2019

Look-up Popularity

Time Traveler for probiotic

The first known use of probiotic was in 1974

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More Definitions for probiotic


pro·​bi·​ot·​ic | \ prō-bī-ˈät-ik, -bē- How to pronounce probiotic (audio) \

Medical Definition of probiotic

: a microorganism (such as lactobacillus or bifidobacterium) that when consumed (as in a food or a dietary supplement) maintains or restores beneficial bacteria to the digestive tract also : a product or preparation that contains such microorganisms — compare prebiotic

Other Words from probiotic

probiotic adjective

More from Merriam-Webster on probiotic

Nglish: Translation of probiotic for Spanish Speakers

Comments on probiotic

What made you want to look up probiotic? Please tell us where you read or heard it (including the quote, if possible).


to speak slightingly about or to degrade

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