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Fruit sugar

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fruc⋅tose

[fruhk-tohs, frook-, frook-]
–noun
Chemistry, Pharmacology. a yellowish to white, crystalline, water-soluble, levorotatory ketose sugar, C6H12O6, sweeter than sucrose, occurring in invert sugar, honey, and a great many fruits: used in foodstuffs and in medicine chiefly in solution as an intravenous nutrient.
Also called levulose, fruit sugar.


Origin:
1860–65; fruct- + -ose 2
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To Fruit sugar
fruc·tose   (frŭk'tōs', frŏŏk'-)   
n.  A very sweet sugar, C6H12O6, occurring in many fruits and honey and used as a preservative for foodstuffs and as an intravenous nutrient. Also called fruit sugar, levulose.

[Latin frūctus, fruit; see fruit + -ose2.]
fruit sugar  
n.  See fructose.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

fructose 
"sugar found in fruit," 1864, coined in Eng. from L. fructus (see fruit) + chemical suffix -ose.
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: fruc·tose
Pronunciation: 'fr&k-"tOs, 'frük-, 'fruk-, -"tOz
Function: noun
1 : an optically active sugarC6H12O6 that differs from glucose in having a ketonic rather than an aldehydic carbonyl group
2 : the very sweet soluble levorotatory D-form of fructose that occurs especially in fruit juices and honey called also levulose

Main Entry: fruit sugar
Function: noun
: FRUCTOSE 2
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

fructose fruc·tose (frŭk'tōs', fr&oobreve;k'-)
n.
A very sweet sugar occurring in many fruits and honey and used as a preservative for foodstuffs and as an intravenous nutrient. Also called fruit sugar, levulose.

fruit sugar n.
See fructose.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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