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[fruhk-tohs, froo k-, frook-] /ˈfrʌk toʊs, ˈfrʊk-, ˈfruk-/
Chemistry, Pharmacology. a yellowish to white, crystalline, water-soluble, levorotatory ketose sugar, C 6 H 12 O 6 , 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 of fructose
First recorded in 1860-65; fruct- + -ose2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for fructose


/ˈfrʌktəʊs; -təʊz; ˈfrʊk-/
a white crystalline water-soluble sugar occurring in honey and many fruits. Formula: C6H12O6 Also called laevulose, fruit sugar
Word Origin
C19: from Latin frūctus fruit + -ose²
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
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Word Origin and History for fructose

sugar found in fruit, 1864, coined in English from Latin fructus (see fruit) + chemical suffix -ose.

Online Etymology Dictionary, © 2010 Douglas Harper
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fructose in Medicine

fructose fruc·tose (frŭk'tōs', fruk'-)
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.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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fructose in Science
A simple sugar (monosaccharide) found in honey, many fruits, and some vegetables. Fructose linked to glucose is the structure of table sugar, or sucrose. Fructose is an important source of energy for cellular processes. Chemical formula: C6H12O6.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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