Dictionary.com

pentose

[ pen-tohs ]
/ ˈpɛn toʊs /
Save This Word!

noun Chemistry.
a monosaccharide containing five atoms of carbon, as xylose, C5H10O5, or produced from pentosans by hydrolysis.
QUIZ
FIRE UP YOUR VOCAB FOR A "RED" SYNONYMS QUIZ
No fire engine reds here, only a fierce collection of vibrant words for the color red to test yourself on.
Question 1 of 7
What does "amaranth" mean?
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of pentose

First recorded in 1890; from German see pent-, -ose2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use pentose in a sentence

British Dictionary definitions for pentose

pentose
/ (ˈpɛntəʊs) /

noun
any monosaccharide containing five atoms of carbon per molecule: occur mainly in plants and the nucleic acids

Word Origin for pentose

C20: from penta- + -ose ²
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

Medical definitions for pentose

pentose
[ pĕntōs′, -tōz′ ]

n.
Any of a class of monosaccharides having five carbon atoms per molecule and including ribose and several other sugars.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for pentose

pentose
[ pĕntōs′ ]

Any of a class of simple sugars (monosaccharides) having five carbon atoms per molecule. Ribose and deoxyribose are pentoses.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
FEEDBACK