[ al-dohs ]
/ ˈæl doʊs /

noun Chemistry.

a sugar containing the aldehyde group or its hemiacetal equivalent.

Origin of aldose

First recorded in 1890–95; ald(ehyde) + -ose2 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for aldose


/ (ˈældəʊs, -dəʊz) /


a sugar that contains the aldehyde group or is a hemiacetal

Word Origin for aldose

C20: from ald (ehyde) + -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

Medicine definitions for aldose


[ ăldōs′, -dōz′ ]


Any of a class of monosaccharide sugars containing an aldehyde group.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for aldose


[ ăldōs′, -dōz′ ]

Any of a class of simple sugars (monosaccharides) containing an aldehyde group (CHO). Galactose, glucose, and ribose are all aldoses. Compare ketose.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.