| contact lenses, extended-wear | Hydrophilic contact lenses worn for an extended period or permanently. (12 Dec 1998) |
|---|---|
| wear | 1. A dam in a river to stop and raise the water, for the purpose of conducting it to a mill, forming a fish pond, or the like. 2. A fence of stakes, brushwood, or the like, set in a stream, tideway, or inlet of the sea, for taking fish. 3. A long notch with a horizontal edge, as in the top of a vertical plate or plank, through which water flows, used in measuring the quantity of flowing water. Origin: OE. Wer, AS. Wer; akin to G. Wehr, AS. Werian to defend, protect, hinder, G. Wehren, Goth. Warjan; and perhaps to E. Wary; or cf. Skr. Vr to check, hinder. Cf. Garret. 1. To carry or bear upon the person; to bear upon one's self, as an article of clothing, decoration, warfare, bondage, etc.; to have appendant to one's body; to have on; as, to wear a coat; to wear a shackle. "What compass will you wear your farthingale?" (Shak) "On her white breast a sparkling cross s wore, Which Jews might kiss, and infidels adore." (Pope) 2. To have or exhibit an appearance of, as an aspect or manner; to bear; as, she wears a smile on her countenance. "He wears the rose of youth upon him." "His innocent gestures wear A meaning half divine." (Keble) 3. To use up by carrying or having upon one's self; hence, to consume by use; to waste; to use up; as, to wear clothes rapidly. 4. To impair, waste, or diminish, by continual attrition, scraping, percussion, on the like; to consume gradually; to cause to lower or disappear; to spend. "That wicked wight his days doth wear." (Spenser) "The waters wear the stones." (Job xiv. 19) 5. To cause or make by friction or wasting; as, to wear a channel; to wear a hole. 6. To form or shape by, or as by, attrition. "Trials wear us into a liking of what, possibly, in the first essay, displeased us." (Locke) To wear away, to consume; to impair, diminish, or destroy, by gradual attrition or decay. To wear off, to diminish or remove by attrition or slow decay; as, to wear off the nap of cloth. To wear on or upon, to wear. "[I] weared upon my gay scarlet gites [gowns]" . To wear out. To consume, or render useless, by attrition or decay; as, to wear out a coat or a book. To consume tediously. "To wear out miserable days." . To harass; to tire. "[He] shall wear out the saints of the most High." . To waste the strength of; as, an old man worn out in military service. To wear the breeches. See Breeches. Origin: Wore; Worn; Wearing. Before the 15th century wear was a weak verb, the being Weared] [OE. Weren, werien, AS. Werian to carry, to wear, as arms or clothes; akin to OHG. Werien, weren, to clothe, Goth. Wasjan, L. Vestis clothing, vestire to clothe, Gr, Skr. Vas. Cf. Vest. Source: Websters Dictionary (01 Mar 1998) |
| wear-and-tear pigment | Lipofuscin that accumulates in aging or atrophic cells as a residue of lysosomal digestion. (05 Mar 2000) |
| dental restoration wear | Occlusal wear of the surfaces of restorations and surface wear of dentures. (12 Dec 1998) |
| occlusal wear | Attritional loss of substance on opposing occlusal units or surfaces. See: abrasion. (05 Mar 2000) |
| mastectomy, extended radical | Radical mastectomy with removal of the ipsilateral half of the sternum and a portion of ribs two through five with the underlying pleura and the internal mammary lymph nodes. (12 Dec 1998) |
| extended clasp | A clasp that extends from its minor connector along the lingual and/or facial surface of two or more teeth. (05 Mar 2000) |
| extended family | A group of persons comprising members of several generations united by blood, adoptive, marital or equivalent ties. (05 Mar 2000) |
| extended family therapy | A type of family therapy that involves family members outside the nuclear family and who are closely associated with it and affect it. (05 Mar 2000) |
| extended insulin zinc suspension | A long-acting insulin suspension, obtained from beef, with an approximate time of onset of 7 hours and a duration of action of 36 hours. Synonym: crystalline insulin zinc suspension. (05 Mar 2000) |
| extended pyelotomy | Extension of a standard pyelotomy into the lower pole infundibulum through the avascular plane between the posterior and basilar segmental renal arteries. Synonym: Gil-Vernet operation. (05 Mar 2000) |
| extended radical mastectomy | Excision of the entire breast including the nipple, areola, and overlying skin, as well as the pectoral muscles and the lymphatic-bearing tissues of the axilla and chest wall and internal mammary chain of lymph nodes. (05 Mar 2000) |
| acorn-tipped catheter | A catheter used in ureteropyelography to occlude the ureteral orifice and prevent backflow from the ureter during and following the injection of an opaque medium. (05 Mar 2000) |
| angiography catheter | A thin-walled tube suitable for percutaneous puncture and powered injection of contrast media for radiography; catheter diameter is measured on the French scale. (05 Mar 2000) |
| antibody-coated bacteria test, urinary | Fluorescent antibody technique for visualizing antibody-bacteria complexes in urine. The presence or absence of antibody-coated bacteria in urine correlates with localization of urinary tract infection in the kidney or bladder, respectively. (12 Dec 1998) |