| dupe | One who has been deceived or who is easily deceived; a gull; as, the dupe of a schemer. Origin: F, prob. From Prov. F. Dupe, dube; of unknown origin; equiv. To F. Huppe hoopoe, a foolish bird, easily caught. Cf. Armor. Houperik hoopoe, a man easily deceived. Cf. Also Gull, Booby. Source: Websters Dictionary (01 Mar 1998) |
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| Duplay | Emanuel Simon, French surgeon, 1836-1924. See: Duplay's disease. (05 Mar 2000) |
| Duplay's disease | May be coalesced with subdeltoid bursitis. Synonym: Duplay's disease. (05 Mar 2000) |
| duple | <mathematics> Duple ratio, that in which the antecedent term is double the consequent, as of 2 to 1, 8 to 4, etc. Alternative term for double. Origin: L. Duplus. See Double. Source: Websters Dictionary (01 Mar 1998) |
| duplex | Duplex escapement, a peculiar kind of watch escapement, in which the scape-wheel has two sets of teeth. Duplex lathe, one for turning off, screwing, and surfacing, by means of two cutting tools, on opposite sides of the piece operated upon. Duplex pumping engine, a steam pump in which two steam cylinders are placed side by side, one operating the valves of the other. Duplex querela; Latin; double complaint. A complaint in the nature of an appeal from the ordinary to his immediate superior, as from a bishop to an archbishop. Duplex telegraphy, a system of telegraphy for sending two messages over the same wire simultaneously. Duplex watch, one with a duplex escapement. Alternative forms: double, twofold. Origin: L, fr. Duo two + plicare to fold. Source: Websters Dictionary (01 Mar 1998) |
| duplex Doppler scan | A method of visualizing and selectively assessing the flow patterns of peripheral arteries and veins using ultrasound imaging and pulsed Doppler. (05 Mar 2000) |
| duplex echocardiography | Use of Doppler ultrasonography techniques to augment two-dimensional echocardiography by allowing velocities to be registered within the echocardiographic image. See: duplex ultrasonography, Doppler ultrasonography. Synonym: duplex echocardiography. (05 Mar 2000) |
| duplex kidney | A kidney in which two pelviocaliceal systems are present. (05 Mar 2000) |
| duplex transmission | The passage of impulses in both directions through a nerve trunk. (05 Mar 2000) |
| duplex ultrasonography | The combination of real-time and Doppler ultrasonography. (05 Mar 2000) |
| duplex uterus | Any uterus with double lumen (u. Didelphys, uterus bicornis bicollis, or septate uterus). Synonym: uterus duplex. (05 Mar 2000) |
| duplicate | Double; twofold. <mathematics> Duplicate proportion or ratio, the proportion or ratio of squares. Thus, in geometrical proportion, the first term to the third is said to be in a duplicate ratio of the first to the second, or as its square is to the square of the second. Thus, in 2, 4, 8, 16, the ratio of 2 to 8 is a duplicate of that of 2 to 4, or as the square of 2 is to the square of 4. Origin: L. Duplicatus, p. P. Of duplicare to double, fr. Duplex double, twofold. See Duplex. 1. To double; to fold; to render double. 2. To make a duplicate of (something); to make a copy or transcript of. 3. <biology> To divide into two by natural growth or spontaneous action; as, infusoria duplicate themselves. Origin: Duplicated; Duplicating. Source: Websters Dictionary (01 Mar 1998) |
| duplicate publication | Simultaneous or successive publishing of identical or near- identical material in two or more different sources without acknowledgment. It differs from reprinted publication in that a reprint cites sources. It differs from plagiarism in that duplicate publication is the product of the same authorship while plagiarism publishes a work or parts of a work of another as one's own. The designation given an article or book of identical or nearly identical material published simultaneously or successively with the material previously published elsewhere, without acknowledgment. (12 Dec 1998) |
| duplication | 1. The act of duplicating, or the state of being duplicated; a doubling; a folding over; a fold. 2. <biology> The act or process of dividing by natural growth or spontaneous action; as, the duplication of cartilage cells. <mathematics> Duplication of the cube, the operation of finding a cube having a volume which is double that of a given cube. Origin: L. Duplicatio: cf. F. Duplication. Source: Websters Dictionary (01 Mar 1998) |
| duplication cyst | A congenital cystic malformation attached to or originating from any part of the alimentary canal, from the base of the tongue to the anus, which reproduces the structure of the adjacent alimentary tract. (05 Mar 2000) |