Try Our Apps
Dictionary.com

follow Dictionary.com

The Word of the Year is...

pentosan

[pen-tuh-san] /ˈpɛn təˌsæn/
noun, Biochemistry.
1.
any of a class of polysaccharides that occur in plants, humus, etc., and form pentoses upon hydrolysis.
Origin of pentosan
< German (1892), equivalent to Pentos(e) pentose + -an -ane
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
Cite This Source
Examples from the Web for pentosans
Historical Examples
  • The pentosans, araban and xylan, occur normally in the stems and outer seed coats of many common plants.

    The Chemistry of Plant Life Roscoe Wilfred Thatcher
  • That portion of the carbohydrates known as pentosans gives rise to furfuraldehyde, one of the important components of caffeol.

    All About Coffee William H. Ukers
British Dictionary definitions for pentosans

pentosan

/ˈpɛntəˌsæn/
noun
1.
(biochem) any of a group of polysaccharides, having the general formula (C5H8O4)n: occur in plants, humus, etc
Word Origin
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
Cite This Source

Word of the Day

Difficulty index for pentosan

Some English speakers likely know this word

Word Value for pentosans

11
14
Scrabble Words With Friends

Nearby words for pentosans