DICT.TW Dictionary Taiwan

 grape sugar /ˈgrep-/ 名詞

 Sug·ar n.
 1. A sweet white (or brownish yellow) crystalline substance, of a sandy or granular consistency, obtained by crystallizing the evaporated juice of certain plants, as the sugar cane, sorghum, beet root, sugar maple, etc. It is used for seasoning and preserving many kinds of food and drink. Ordinary sugar is essentially sucrose. See the Note below.
 Note: ☞ The term sugar includes several commercial grades, as the white or refined, granulated, loaf or lump, and the raw brown or muscovado. In a more general sense, it includes several distinct chemical compounds, as the glucoses, or grape sugars (including glucose proper, dextrose, and levulose), and the sucroses, or true sugars (as cane sugar). All sugars are carbohydrates. See Carbohydrate.
     The glucoses, or grape sugars, are ketone alcohols of the formula C6H12O6, and they turn the plane of polarization to the right or the left. They are produced from the amyloses and sucroses, as by the action of heat and acids of ferments, and are themselves decomposed by fermentation into alcohol and carbon dioxide. The only sugar (called acrose) as yet produced artificially belongs to this class. The sucroses, or cane sugars, are doubled glucose anhydrides of the formula C12H22O11. They are usually not fermentable as such (cf. Sucrose), and they act on polarized light.
 2. By extension, anything resembling sugar in taste or appearance; as, sugar of lead (lead acetate), a poisonous white crystalline substance having a sweet taste.
 3. Compliment or flattery used to disguise or render acceptable something obnoxious; honeyed or soothing words. [Colloq.]
 Acorn sugar. See Quercite.
 Cane sugar, sugar made from the sugar cane; sucrose, or an isomeric sugar. See Sucrose.
 Diabetes sugar, or Diabetic sugar Med. Chem., a variety of sugar (grape sugar or dextrose) excreted in the urine in diabetes mellitus; -- the presence of such a sugar in the urine is used to diagnose the illness.
 Fruit sugar. See under Fruit, and Fructose.
 Grape sugar, a sirupy or white crystalline sugar (dextrose or glucose) found as a characteristic ingredient of ripe grapes, and also produced from many other sources. See Dextrose, and Glucose.
 Invert sugar. See under Invert.
 Malt sugar, a variety of sugar isomeric with sucrose, found in malt. See Maltose.
 Manna sugar, a substance found in manna, resembling, but distinct from, the sugars. See Mannite.
 Milk sugar, a variety of sugar characteristic of fresh milk, and isomeric with sucrose. See Lactose.
 Muscle sugar, a sweet white crystalline substance isomeric with, and formerly regarded to, the glucoses.  It is found in the tissue of muscle, the heart, liver, etc. Called also heart sugar. See Inosite.
 Pine sugar. See Pinite.
 Starch sugar Com. Chem., a variety of dextrose made by the action of heat and acids on starch from corn, potatoes, etc.; -- called also potato sugar, corn sugar, and, inaccurately, invert sugar. See Dextrose, and Glucose.
 Sugar barek, one who refines sugar.
 Sugar beet Bot., a variety of beet (Beta vulgaris) with very large white roots, extensively grown, esp. in Europe, for the sugar obtained from them.
 Sugar berry Bot., the hackberry.
 Sugar bird Zool., any one of several species of small South American singing birds of the genera Coereba, Dacnis, and allied genera belonging to the family Coerebidae. They are allied to the honey eaters.
 Sugar bush. See Sugar orchard.
 Sugar camp, a place in or near a sugar orchard, where maple sugar is made.
 Sugar candian, sugar candy. [Obs.]
 Sugar candy, sugar clarified and concreted or crystallized; candy made from sugar.
 Sugar cane Bot., a tall perennial grass (Saccharum officinarium), with thick short-jointed stems. It has been cultivated for ages as the principal source of sugar.
 Sugar loaf. (a) A loaf or mass of refined sugar, usually in the form of a truncated cone. (b) A hat shaped like a sugar loaf.
    Why, do not or know you, grannam, and that sugar loaf?   --J. Webster.
 -- Sugar maple Bot., the rock maple (Acer saccharinum). See Maple.
 Sugar mill, a machine for pressing out the juice of the sugar cane, usually consisting of three or more rollers, between which the cane is passed.
 Sugar mite. Zool. (a) A small mite (Tyroglyphus sacchari), often found in great numbers in unrefined sugar. (b) The lepisma.
 Sugar of lead. See Sugar, 2, above.
 Sugar of milk. See under Milk.
 Sugar orchard, a collection of maple trees selected and preserved for purpose of obtaining sugar from them; -- called also, sometimes, sugar bush. [U.S.] --Bartlett.
 Sugar pine Bot., an immense coniferous tree (Pinus Lambertiana) of California and Oregon, furnishing a soft and easily worked timber. The resinous exudation from the stumps, etc., has a sweetish taste, and has been used as a substitute for sugar.
 Sugar squirrel Zool., an Australian flying phalanger (Belideus sciureus), having a long bushy tail and a large parachute. It resembles a flying squirrel. See Illust. under Phlanger.
 Sugar tongs, small tongs, as of silver, used at table for taking lumps of sugar from a sugar bowl.
 Sugar tree. Bot. See Sugar maple, above.

 Dex·trose n.  Chem. A sirupy, or white crystalline, variety of sugar, C6H12O6 (so called from turning the plane of polarization to the right), occurring in many ripe fruits, and also called glucose. Dextrose and levulose are obtained by the inversion of cane sugar or sucrose, and hence the mixture is called called invert sugar. Dextrose is chiefly obtained by the action of heat and acids on starch, and hence called also starch sugar. It is also formed from starchy food by the action of the amylolytic ferments of saliva and pancreatic juice.
 Note: ☞ The solid products are known to the trade as grape sugar; the sirupy products as glucose, or mixing sirup. These are harmless, but are only about half as sweet as cane sugar or sucrose.
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 Glu·cose n.
 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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 Grape n.
 1. Bot. A well-known edible berry growing in pendent clusters or bunches on the grapevine. The berries are smooth-skinned, have a juicy pulp, and are cultivated in great quantities for table use and for making wine and raisins.
 2. Bot. The plant which bears this fruit; the grapevine.
 3. Man. A mangy tumor on the leg of a horse.
 4. Mil. Grapeshot.
 Grape borer. Zool. See Vine borer.
 Grape curculio Zool., a minute black weevil (Craponius inæqualis) which in the larval state eats the interior of grapes.
 Grape flower, or Grape hyacinth Bot., a liliaceous plant (Muscari racemosum) with small blue globular flowers in a dense raceme.
 Grape fungus Bot., a fungus (Oidium Tuckeri) on grapevines; vine mildew.
 Grape hopper Zool., a small yellow and red hemipterous insect, often very injurious to the leaves of the grapevine.
 Grape moth Zool., a small moth (Eudemis botrana), which in the larval state eats the interior of grapes, and often binds them together with silk.
 Grape of a cannon, the cascabel or knob at the breech.
 Grape sugar. See Glucose.
 Grape worm Zool., the larva of the grape moth.
 Sour grapes, things which persons affect to despise because they can not possess them; -- in allusion to Æsop's fable of the fox and the grapes.
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 grape sugar
      n : an isomer of glucose that is found in honey and sweet fruits
          [syn: dextrose, dextroglucose]