| duenna | Origin: Sp. Duena, dona, fr. L. Domina. See Dame. 1. The chief lady in waiting on the queen of Spain. 2. An elderly lady holding a station between a governess and companion, and appointed to have charge over the younger ladies in a Spanish or a Portuguese family. 3. Any old woman who is employed to guard a younger one; a governess. Source: Websters Dictionary (01 Mar 1998) |
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| duff | <botany> The matted, partly decomposed, organic surface layer of forested soils. (09 Oct 1997) |
| Duffy | Blood group system. Single gene locus. (18 Nov 1997) |
| duffy blood-group system | A blood group consisting mainly of the antigens fy(a) and fy(b), determined by allelic genes, the frequency of which varies profoundly in different races; amorphic genes are common. (12 Dec 1998) |
| dufrenite | <chemical> A mineral of a blackish green colour, commonly massive or in nodules. It is a hydrous phosphate of iron. Origin: From ierre Armand Dufrenoy, a French geologist. Source: Websters Dictionary (01 Mar 1998) |
| Dugas' test | In the case of an injured shoulder, if the elbow cannot be made to touch the chest while the hand rests on the opposite shoulder, the injury is a dislocation and not a fracture of the humerus. (05 Mar 2000) |
| Dugas, Louis | <person> U.S. Physician, 1806-1884. See: Dugas' test. (05 Mar 2000) |
| dugong | <zoology> An aquatic herbivorous mammal (Halicore dugong), of the order Sirenia, allied to the manatee, but with a bilobed tail. It inhabits the Red Sea, Indian Ocean, East Indies, and Australia. Alternative forms: duyong. Origin: Malayan dyng, or Javan. Duyung. Source: Websters Dictionary (01 Mar 1998) |
| Duhring's disease | <disease> A chronic disease of the skin characterised by severe itching, extensive eruption of vesicles (blisters) and papules which occur in groups. May be associated with an occult malignancy in the elderly patient. Treatment includes sulpha-based antibiotics. In some cases this condition may be associated with malabsorption. Relapses are common. (27 Sep 1997) |
| Duhring, Louis | <person> U.S. Dermatologist, 1845-1913. See: Duhring's disease. (05 Mar 2000) |
| Duhrssen's incisions | Three surgical incision's of an incompletely dilated cervix, corresponding roughly to 2, 6, and 10 o'clock, used as a means of effecting immediate delivery of the foetus. (05 Mar 2000) |
| Duhrssen, Alfred | <person> German obstetrician-gynecologist, 1862-1933. See: Duhrssen's incisions. (05 Mar 2000) |
| duke | 1. A leader; a chief; a prince. "Hannibal, duke of Carthage." (Sir T. Elyot) "All were dukes once, who were "duces" captains or leaders of their people." (Trench) 2. In England, one of the highest order of nobility after princes and princesses of the royal blood and the four archbishops of England and Ireland. 3. In some European countries, a sovereign prince, without the title of king. Duke's coronet. To dine with Duke Humphrey, to go without dinner. See Dine. Origin: F. Duc, fr. L. Dux, ducis, leader, commander, fr. Ducere to lead; akin to AS. Teon to draw; cf. AS. Heretoga (here army) an army leader, general, G. Herzog duke. See Tue, and cf. Doge, Duchess, Ducat, Duct, Adduce, Deduct. Source: Websters Dictionary (01 Mar 1998) |
| Duke bleeding time test | A bleeding time test in which an incision is made in the earlobe and the time until bleeding stops is measured. (05 Mar 2000) |
| Duke, William | <person> U.S. Pathologist, 1883-1945. See: Duke bleeding time test. (05 Mar 2000) |
| Dulong and Petit's law |
The Dulong-Petit law, found in 1819 by Pierre Louis Dulong and Alexis Thérèse Petit, states the classical expression for the specific heat capacity of a crystal due to its lattice vibrations. The result is extremely simple: regardless of the nature of the crystal, the specific heat capacity is equal to 3R/M, where R is the gas constant and M is the molar mass. ...
출처: en.wikipedia.org/wiki/Dulong_and_Petit's_law
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| dumbbell |
A dumbbell is a piece of equipment used in weight training. It is a weight that is held in one hand. Dumbbells therefore normally come in pairs. ...
출처: en.wikipedia.org/wiki/Dumbbell
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| dummy |
Dummy, released in 1994, was the debut album of the Bristol-based group Portishead. Building on the promise of their earlier EP, "Numb", it helped to cement the reputation of Bristol as the capital of "trip hop", a nascent genre which was then often referred to simply as "the Bristol sound". ...
출처: en.wikipedia.org/wiki/Dummy_(album)
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| dumping syndrome |
The dumping syndrome, or rapid gastric emptying, happens when the lower end of the small intestine fills too quickly with undigested food from the stomach. The early symptoms of dumping syndrome are caused by a rapid flow of food into the intestines which lowers blood volume by drawing fluid from the blood into the intestines to dilute the food and causes a very high rise in blood sugar. Symptoms may begin during or right after a meal. ...
출처: en.wikipedia.org/wiki/Dumping_syndrome
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| duplex |
A duplex locomotive is a steam locomotive that divides the driving force on its wheels by using two pairs of cylinders. With one pair of cylinders, set at ninety degrees apart to prevent a dead spot, there is an inbalance caused by the reciprocating action of the pistons and valve gear. Though some of this can be countered by weights on the wheels, this unbalances the wheels and results in the track being pounded, a phenomenon called hammer blow. ...
출처: en.wikipedia.org/wiki/Duplex_(locomotive)
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| DU | the date on which a financial obligation must be repaid |
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| DU | the cardinal compass point that is at 90 degrees |
| DU | the cardinal compass point that is at 0 or 360 degrees |
| DU | (law) the administration of justice according to established rules and principles |
| DU | (law) the administration of justice according to established rules and principles |
| DU | the cardinal compass point that is at 180 degrees |
| DU | (usually followed by `to') able to be assigned or credited to |
| DU | the cardinal compass point that is a 270 degrees |
| DU | any struggle between two skillful opponents (individuals or groups) |
| DU | a prearranged fight with deadly weapons by two people (accompanied by seconds) in order to settle a quarrel over a point of honor |
| DU | fight a duel, as over one's honor or a woman |
| DU | a person who fights duels |