noun Chemistry.
a sugar containing the aldehyde group or its hemiacetal equivalent.

1890–95; ald(ehyde) + -ose2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
aldose (ˈældəʊs, -dəʊz)
a sugar that contains the aldehyde group or is a hemiacetal
[C20: from ald(ehyde) + -ose²]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

aldose al·dose (āl'dōs', -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.
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American Heritage
Science Dictionary
aldose   (āl'dōs', -dōz')  Pronunciation Key 
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 © 2002. Published by Houghton Mifflin. All rights reserved.
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