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[zahy-li-tawl, -tol]
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noun Biochemistry.
  1. a naturally occurring pentose sugar alcohol, C5H12O5, used as a sugar substitute.

Origin of xylitol

< German Xylit (1891), equivalent to Xyl(ose) xylose + -it -ite1; see -itol
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for xylitol


  1. chem an artificial sweetener produced from xylose and used esp in chewing gum. Formula: CH 2 HOH(CHOH) 3 CH 2 OH

Word Origin

C19: from xyl (ose) + -ite ² + -ol 1
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

xylitol in Science


[zīlĭ-tôl′, -tōl′]
  1. A sweet white crystalline alcohol derived from xylose and used as a sugar substitute. Chemical formula: C5H12O5.
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