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prebiotic

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adjective pre·bi·ot·ic \ˌprē-bī-ˈä-tik\

Definition of prebiotic

  1. 1 :  of, relating to, or being chemical or environmental precursors of the origin of life … it is possible that either the prebiotic molecules necessary for the evolution of life or the raw materials from which these molecules formed were brought to Earth by comet-like objects. — Marcia Neugebauer; also :  existing or occurring before the origin of life … RNA is a chemically fragile molecule, unlikely to survive the harsh prebiotic conditions. — Michael Egholm et al.

  2. 2 :  of, relating to, or being a prebiotic … next-generation probiotic microbes administered along with the appropriate prebiotic nutrients to nourish them. — Michael Pollan

Origin and Etymology of prebiotic

pre- + biotic


First Known Use: 1954


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prebiotic

noun pre·bi·ot·ic

Definition of prebiotic

  1. :  a substance and especially a carbohydrate (such as inulin ) that is nearly or wholly indigestible and that when consumed (as in food) promotes the growth of beneficial bacteria in the digestive tract Prebiotics are naturally found in certain fruits, vegetables, and herbs, including artichoke, asparagus, bananas, chicory, garlic, and onions. — Andrew Weil — compare probiotic

1995

First Known Use of prebiotic

1995


Medical Dictionary

1

prebiotic

adjective pre·bi·ot·ic \-bī-ˈät-ik\

Medical Definition of prebiotic

  1. 1:  of, relating to, or being chemical or environmental precursors of the origin of life prebiotic molecules; also :  existing or occurring before the origin of life prebiotic conditions

  2. 2:  of, relating to, or being a prebiotic Prebiotic agents included the oligosaccharides inulin, galactose, fructose, lactulose, and combinations of these nutrients.—Josef Neu et al., The New England Journal of Medicine, 20 Jan. 2011

prebiotically

\-i-k(ə-)lē\ adverb

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prebiotic

noun pre·bi·ot·ic

Medical Definition of prebiotic

  1. :  a substance and especially a carbohydrate (such as inulin) that is nearly or wholly indigestible and that when consumed (as in food) promotes the growth of beneficial bacteria in the digestive tract—compare probiotic


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