Glucose - Definitions from Dictionary.com

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Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

glu·cose

Audio Help [gloo-kohs] Pronunciation Key

–noun Biochemistry.

a sugar, C₆H₁₂O₆, having several optically different forms, the common dextrorotatory form (dextroglucose, or d-glucose) occurring in many fruits, animal tissues and fluids, etc., and having a sweetness about one half that of ordinary sugar, and the rare levorotatory form (levoglucose, or l-glucose) not naturally occurring.

2.	Also called starch syrup. a syrup containing dextrose, maltose, and dextrine, obtained by the incomplete hydrolysis of starch.

[Origin: 1830–40; < F < Gk glyk(ýs) sweet + F -ose -ose²

]

—Related forms

glu·cos·ic, adjective

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

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Encyclopædia Britannica, Inc.
Glucose

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American Heritage Dictionary - Cite This Source - Share This

glu·cose Audio Help (glōō'kōs') Pronunciation Key
n.

A monosaccharide sugar, C₆H₁₂O₆, occurring widely in most plant and animal tissue. It is the principal circulating sugar in the blood and the major energy source of the body.
A colorless to yellowish syrupy mixture of dextrose, maltose, and dextrins containing about 20 percent water, used in confectionery, alcoholic fermentation, tanning, and treating tobacco. Also called starch syrup.

[French, from Greek glukus, sweet.]

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

Online Etymology Dictionary - Cite This Source - Share This
glucose

1840, from Fr. glucose (1838), from Gk. gleukos "must, sweet wine," related to glyks "sweet."

WordNet - Cite This Source - Share This

glucose
noun
a monosaccharide sugar that has several forms; an important source of physiological energy

Kernerman English Multilingual Dictionary - Cite This Source - Share This
glucose [ˈgluːkous] noun

a kind of sugar found in the juice of fruit

Arabic:	جلوكوز: سُكَّر عِنَب
Chinese (Simplified):	葡萄糖
Chinese (Traditional):	葡萄糖
Czech:	hroznový cukr
Danish:	glukose
Dutch:	glucose
Estonian:	viinamarjasuhkur
Finnish:	rypälesokeri
French:	glucose
German:	die Glukose
Greek:	γλυκόζη
Hungarian:	szőlőcukor
Icelandic:	glúkósi
Indonesian:	glukosa
Italian:	glucosio

Japanese:	ぶどう糖
Korean:	포도당
Latvian:	glikoze
Lithuanian:	gliukozė
Norwegian:	druesukker, glukose
Polish:	glukoza
Portuguese (Brazil):	glicose
Portuguese (Portugal):	glucose
Romanian:	glucoză
Russian:	глюкоза
Slovak:	glukóza
Slovenian:	glukoza
Spanish:	glucosa
Swedish:	glukos
Turkish:	glikoz

The American Heritage Science Dictionary - Cite This Source - Share This

glucose Audio Help (gl

'kōs') Pronunciation Key
A monosaccharide sugar found in plant and animal tissues. Glucose is a product of photosynthesis, mostly incorporated into the disaccharide sugar sucrose rather than circulating free in the plant. Glucose is essential for energy production in animal cells. It is transported by blood and lymph to all the cells of the body, where it is metabolized to form carbon dioxide and water along with ATP, the main source of chemical energy for cellular processes. Glucose molecules can also be linked into chains to form the polysaccharides cellulose, glycogen, and starch. Chemical formula: C₆H₁₂O₆. See more at cellular respiration , Krebs cycle , photosynthesis.

American Heritage New Dictionary of Cultural Literacy, Third Edition - Cite This Source - Share This
glucose [(glooh-kohs)]

The most common form of sugar, found extensively in the bodies of living things; a molecule composed of carbon, oxygen, and hydrogen.

Note: Glucose is involved in the production of energy in both plants and animals.

[Chapter:] Life Sciences

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Glucose

Glu"cose`\, n. [Gr. ? sweet. Cf. Glycerin.]

1. A variety of sugar occurring in nature very abundantly, as in ripe grapes, and in honey, and produced in great quantities from starch, etc., by the action of heat and acids. It is only about half as sweet as cane sugar. Called also dextrose, grape sugar, diabetic sugar, and starch sugar. See Dextrose.

2. (Chem.) Any one of a large class of sugars, isometric with glucose proper, and including levulose, galactose, etc.

3. The trade name of a sirup, obtained as an uncrystallizable reside in the manufacture of glucose proper, and containing, in addition to some dextrose or glucose, also maltose, dextrin, etc. It is used as a cheap adulterant of sirups, beers, etc.

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