Window Definition–noun | 1. | an opening in the wall of a building, the side of a vehicle, etc., for the admission of air or light, or both, commonly fitted with a frame in which are set movable sashes containing panes of glass. | | 2. | such an opening with the frame, sashes, and panes of glass, or any other device, by which it is closed. | | 3. | the frame, sashes, and panes of glass, or the like, intended to fit such an opening: Finally the builders put in the windows. | | 5. | anything likened to a window in appearance or function, as a transparent section in an envelope, displaying the address. | | 6. | a period of time regarded as highly favorable for initiating or completing something: Investors have a window of perhaps six months before interest rates rise. | | 7. | Military. chaff 1 (def. 5). | | 9. | Pharmacology. the drug dosage range that results in a therapeutic effect, a lower dose being insufficient and a higher dose being toxic. | | 10. | Aerospace. | b. | a specific
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area at the outer limits of the earth's atmosphere through which a spacecraft must reenter to arrive safely at its planned destination. | | | 11. | Computers. a section of a display screen that can be created for viewing information from another part of a file or from another file: The split screen feature enables a user to create two or more windows. | –verb (used with object) | 12. | to furnish with a window or windows. | | 13. | Obsolete. to display or put in a window. | |
From Dictionary
Related topics from Britannicawindow
opening in the wall of a building for the admission of light and air; windows are often arranged also for the purposes of architectural decoration. Since early times, the openings have been filled ...
Diocletian window
semicircular window or opening divided into three compartments by two vertical mullions. Diocletian windows were named for those windows found in the Thermae, or Baths, of Diocletian (now the church ...
rose window
in Gothic architecture, decorated circular window, often glazed with stained glass. Scattered examples of decorated circular windows existed in the Romanesque period (Santa Maria in Pomposa, Italy, ...
oeil-de-boeuf window
in architecture, a small circular or oval window, usually resembling a wheel, with glazing bars (bars framing the panes of glass) as spokes radiating outward from an empty hub, or circular centre. In ...
Window Rock
capital of the extensive Navajo Nation Reservation, Apache county, northeastern Arizona, U.S. It lies 23 miles (37 km) northwest of Gallup, New Mexico. Established in 1936 as the Central Agency ...
window fly
any of a relatively rare group of black flies (order Diptera) that are a little smaller than the housefly. The adults are often seen on windows, and larvae of most species live in decaying wood or ...
casement window
earliest form of movable window, wood or metal framed, with hinges or pivots at the upright side of the vertically hung sash, so that it opens outward or inward along its entire length in the manner ...
lancet window
narrow, high window capped by a lancet, or acute, arch. The lancet arch is a variety of pointed arch in which each of the arcs, or curves, of the arch have a radius longer than the width of the ...
bay window
window formed as the exterior expression of a bay within a structure, a bay in this context being an interior recess made by the outward projection of a wall. The purpose of a bay window is to admit ...
Palladian window
in architecture, three-part window composed of a large, arched central section flanked by two narrower, shorter sections having square tops. This type of window, popular in 17th- and 18th-century ...
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