| Wagner's disease | Progressive liquefaction and destruction of the vitreous humor with grayish-white preretinal membranes, myopia, cataract, retinal detachment, and hyper-and hypopigmentation; autosomal dominant inheritance. Synonym: Wagner's disease, Wagner's syndrome. (05 Mar 2000) |
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| Wagner's syndrome | Progressive liquefaction and destruction of the vitreous humor with grayish-white preretinal membranes, myopia, cataract, retinal detachment, and hyper-and hypopigmentation; autosomal dominant inheritance. Synonym: Wagner's disease, Wagner's syndrome. (05 Mar 2000) |
| wagnerite | <chemical> A fluophosphate of magnesia, occurring in yellowish crystals, and also in massive forms. Source: Websters Dictionary (01 Mar 1998) |
| wagon | 1. A wheeled carriage; a vehicle on four wheels, and usually drawn by horses; especially, one used for carrying freight or merchandise. In the United States, light wagons are used for the conveyance of persons and light commodities. 2. A freight car on a railway. 3. A chariot 4. <astronomy> The Dipper, or Charles's Wain. This word and its compounds are often written with two g's (waggon, waggonage, etc), chiefly in England. The forms wagon, wagonage, etc, are, however, etymologically preferable, and in the United States are almost universally used. Wagon boiler. See the Note under Boiler. Wagon ceiling See 1st Vault. Origin: D. Wagen. See Wain. Source: Websters Dictionary (01 Mar 1998) |
| wagoner | 1. One who conducts a wagon; one whose business it is to drive a wagon. 2. <astronomy> The constellation Charles's Wain, or Ursa Major. See Ursa major, under Ursa. Source: Websters Dictionary (01 Mar 1998) |
| wagr syndrome | <syndrome> Wilms' tumour with aniridia, genitourinary abnormalities, and mental retardation. It is associated with hemizygous deletions of chromosome region 11p13. (12 Dec 1998) |
| Wagstaffe | William, English surgeon, 1843-1910. See: Wagstaffe's fracture. (05 Mar 2000) |
| Wagstaffe's fracture | Fracture, with displacement, of the medial malleolus. (05 Mar 2000) |
| wagtail | <ornithology> Any one of many species of Old World singing birds belonging to Motacilla and several allied genera of the family Motacillidae. They have the habit of constantly jerking their long tails up and down, whence the name. Field wagtail, any one of several species of wagtails of the genus Budytes having the tail shorter, the legs longer, and the hind claw longer and straighter, than do the water wagtails. most of the species are yellow beneath. Called also yellow wagtail. Garden wagtail, the Indian black-breasted wagtail (Nemoricola Indica). Pied wagtail, the common European water wagtail (Motacilla lugubris). It is variegated with black and white. The name is applied also to other allied species having similar colours. Called also pied dishwasher. Wagtail flycatcher, a true flycatcher (Sauloprocta motacilloides) common in Southern Australia, where it is very tame, and frequents stock yards and gardens and often builds its nest about houses; called also black fantail. Water wagtail. Any one of several species of wagtails of the restricted genus Motacilla. They live chiefly on the shores of ponds and streams. The American water thrush. See Water thrush. Wood wagtail, an Asiatic wagtail; (Calobates sulphurea) having a slender bill and short legs. Source: Websters Dictionary (01 Mar 1998) |
| wah | <zoology> The panda. Source: Websters Dictionary (01 Mar 1998) |
| waikavirus | A genus of plant viruses in the family sequiviridae. Transmission is mostly by leafhoppers and depends on a self-encoded helper protein. The type species is rice tungro spherical virus. (12 Dec 1998) |
| waileress | A woman who wails. Source: Websters Dictionary (01 Mar 1998) |
| wain | 1. A four-wheeled vehicle for the transportation of goods, produce, etc.; a wagon. "The wardens see nothing but a wain of hay." (Jeffrey) "Driving in ponderous wains their household goods to the seashore." (Longfellow) 2. A chariot. The Wain. <astronomy> See Charles's Wain, in the Vocabulary. Wain rope, a cart rope. Origin: OE. Wain, AS. Waegn; akin to D. & G. Wagen, OHG. Wagan, Icel. & Sw. Vagn, Dan. Vogn, and E. Way. See Way, Weigh, and cf. Wagon. Source: Websters Dictionary (01 Mar 1998) |
| wainscot | 1. Oaken timber or boarding. "A wedge wainscot is fittest and most proper for cleaving of an oaken tree." (Urquhart) "Inclosed in a chest of wainscot." (J. Dart) 2. A wooden lining or boarding of the walls of apartments, usually made in panels. 3. <zoology> Any one of numerous species of European moths of the family Leucanidae. They are reddish or yellowish, streaked or lined with black and white. Their larvae feed on grasses and sedges. Origin: OD. Waeghe-schot, D. Wagen-schot, a clapboard, fr. OD. Waeg, weeg, a wall (akin to AS. Wah; cf. Icel. Veggr) + schot a covering of boards (akin to E. Shot, shoot). Source: Websters Dictionary (01 Mar 1998) |
| waist | The portion of the trunk between the ribs and the pelvis. Origin: A.S. Waext Waist of the heart, an obsolete term for the middle segment of the cardiac silhouette, on the chest X-ray, containing the pulmonary salient. (05 Mar 2000) |