fructose

[ fruhk-tohs, froo k-, frook- ]

/ ˈfrʌk toʊs, ˈfrʊk-, ˈfruk- /

SEE MORE SYNONYMS FOR fructose ON THESAURUS.COM

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.

Nearby words

fructify, fructo-, fructofuranose, fructokinase, fructosan, fructose, fructosemia, fructoside, fructosuria, fructuous, frug

Origin of fructose

First recorded in 1860–65; fruct- + -ose²

Also called levulose, fruit sugar.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for fructose

HFCS contains at most 55 percent fructose and in some forms only 43 percent; almost all the rest is glucose.
The Fight Over High-Fructose Corn Syrup|Sharon Begley|February 28, 2011|DAILY BEAST
When HFCS is made from cornstarch, the fructose molecules are not bound to other sugar molecules.
The Fight Over High-Fructose Corn Syrup|Sharon Begley|February 28, 2011|DAILY BEAST
Every fructose molecule in sucrose, in contrast, is bound to a glucose.
The Fight Over High-Fructose Corn Syrup|Sharon Begley|February 28, 2011|DAILY BEAST
None of the sweeteners people eat are 100 percent fructose, which was used in the Oregon study and several others.
The Fight Over High-Fructose Corn Syrup|Sharon Begley|February 28, 2011|DAILY BEAST

"It's evidence that fructose and glucose elicit opposite responses in the human brain," says Purnell.
The Fight Over High-Fructose Corn Syrup|Sharon Begley|February 28, 2011|DAILY BEAST
Like glucose and fructose, galactose seems to promote the production of glycogen in the body.
Dietetics for Nurses|Fairfax T. Proudfit
Fructose is one of the sweetest of sugars, and helps to give honey its great sweetness.
Foods and Household Management|Helen Kinne
Slator supposes that glucose and fructose form the same compound with the enzyme.
Alcoholic Fermentation|Arthur Harden
The osones from glucose, mannose, and fructose are identical.
The Chemistry of Plant Life|Roscoe Wilfred Thatcher
Mannan bears the same relation to mannose that starch does to glucose and inulin to fructose.
The Chemistry of Plant Life|Roscoe Wilfred Thatcher

British Dictionary definitions for fructose

fructose

/ (ˈfrʌktəʊs, -təʊz, ˈfrʊk-) /

noun

a white crystalline water-soluble sugar occurring in honey and many fruits. Formula: C 6 H 12 O 6Also called: laevulose, fruit sugar

Word Origin for fructose

C19: from Latin frūctus fruit + -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 fructose

fructose

[ frŭk′tōs′, fruk′- ]

n.

A very sweet sugar occurring in many fruits and honey and used as a preservative for foodstuffs and as an intravenous nutrient.fruit sugar levulose

Science definitions for fructose

fructose

[ frŭk′tōs′ ]

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.