Also prebiological . existing or occuring before life, or serving as a precursor to it: These molecules played a critical role in the prebiotic evolution of life.Even if habitable conditions existed only briefly, relics of prebiotic chemistry or rudimentary life still might remain.
being, having, or relating to a substance containing dietary fiber that stimulates the growth or activity of beneficial bacteria in the gastrointestinal tract: Oats contain the prebiotic fiber beta-glucan.Prebiotic food sources include bananas, leeks, onions, chicory, asparagus, and artichoke.
a substance containing dietary fiber that stimulates the growth or activity of beneficial bacteria in the gastrointestinal tract: Our group has begun to develop strategies for incorporating prebiotics into convenience foods.: Compare probiotic (def. 1).
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British Dictionary definitions for prebiotic
occurring or existing before the emergence of life
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