- any of a class of polysaccharides that occur in plants, humus, etc., and form pentoses upon hydrolysis.
Origin of pentosan
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- biochem any of a group of polysaccharides, having the general formula (C 5 H 8 O 4) n : occur in plants, humus, etc
C20: from pentose + -an
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