A window is a gap in a wall, door, roof or vehicle that allows the passage of light, sound, and air. current windows are typically glazed or included in some different obvious or translucent material, a sash set in a body within the commencing; the sash and body also are referred to as a window. many glazed windows may be opened, to permit air flow, or closed, to exclude inclement climate. home windows regularly have a latch or comparable mechanism to fasten the window close or to hold it open by diverse amounts.
Types include the eyebrow window, constant windows, unmarried-hung and double-hung sash windows, horizontal sliding sash windows, casement windows, awning home windows, hopper windows, tilt and slide windows (frequently door-sized), tilt and turn windows, transom windows, sidelight windows, jalousie or louvered home windows, clerestory home windows, skylights, roof home windows, roof lanterns, bay home windows, oriel windows, thermal, or diocletian, home windows, image windows, emergency exit windows, stained glass windows, french home windows, panel windows, and double – and triple paned windows.
The romans have been the primary known to use glass for home windows, a technology possibly first produced in roman egypt, in alexandria ca. a hundred advert. paper home windows have been cost-effective and extensively used in historical china, korea and japan. in england, glass have become commonplace in the windows of regular homes most effective in the early seventeenth century whereas home windows made from panes of flattened animal horn have been used as early because the 14th century. in the nineteenth century american west, greased paper windows came to be utilized by itinerant companies. cutting-edge-fashion floor-to-ceiling windows have become feasible handiest after the economic plate glass making tactics were fully perfected.
The English language-phrase window originates from the antique Norse ‘vindauga’, from ‘vindr – wind’ and ‘auga – eye’, i.e., wind eye. in norwegian nynorsk and icelandic the vintage norse shape has survived to this present day (in icelandic simplest as a much less used word for a kind of small open “window”, now not strictly a synonym for gluggi, the icelandic word for window), in swedish the phrase vindöga stays as a term for a hollow via the roof of a hut, and in the danish language ‘vindue’ and norwegian bokmål ‘vindu’, the direct link to ‘eye’ is lost, just like for ‘window’. the danish (but not the bokmål) word is pronounced pretty similarly to window.
Window is first recorded within the early 13th century, and initially mentioned an unglazed hole in a roof. window changed the antique English eagþyrl, which actually method ‘eye-hollow,’ and ‘eagduru’ ‘eye-door’. many germanic languages but adopted the latin phrase ‘fenestra’ to explain a window with glass, which include preferred swedish ‘fönster’, or german ‘fenster’. using window in English might be due to the scandinavian affect on the English language by using loanwords in the course of the viking age. in English the word fenester turned into used as a parallel till the mid-18th century. fenestration is still used to explain the arrangement of home windows inside a façade, as well as defenestration, which means to throw some thing out of a window.
Within the thirteenth century bc, the earliest windows were unglazed openings in a roof to admit light throughout the day. later,[when?] home windows were covered with animal disguise, cloth, or wood. shutters that would be opened and closed got here subsequent.[when?] through the years, windows were constructed that each protected the population from the elements and transmitted mild, the use of more than one small pieces of translucent fabric, together with flattened portions of translucent animal horn, skinny slices of marble, as an instance fengite, or portions of glass, set in frameworks of wood, iron or lead. inside the a long way east, paper become used to fill windows. the romans have been the first acknowledged to apply glass for windows, a technology probably first produced in roman egypt. particularly, in alexandria ca. a hundred advert solid glass windows, albeit with terrible optical properties, commenced to appear, however these had been small thick productions, little extra than blown glass jars (cylindrical shapes) flattened out into sheets with circular striation patterns in the course of. it’d be over a millennium before a window glass became obvious enough to peer via really, as we think of it now.
Over the centuries strategies had been developed to shear thru one side of a blown glass cylinder and bring thinner rectangular window panes from the equal amount of glass cloth. this gave rise to tall slim home windows, normally separated by means of a vertical support referred to as a mullion. mullioned glass windows were the windows of choice amongst european nicely-to-do, while paper home windows have been least expensive and broadly utilized in ancient china, korea and japan. in england, glass have become common inside the home windows of normal homes best inside the early seventeenth century whereas home windows made from panes of flattened animal horn had been used as early as the 14th century.
Contemporary-fashion floor-to-ceiling windows became possible best after the industrial plate glass making processes have been perfected. current windows are normally packed with glass, even though a few are obvious plastic.
A pass-window is a square window normally divided into four lighting through a mullion and transom that shape a latin move.
The term eyebrow window is used in ways: a curved pinnacle window in a wall or in an eyebrow dormer; and a row of small windows usually below the the front eaves such as the james-lorah residence in pennsylvania.
A fixed window is a window that cannot be opened, whose feature is constrained to permitting light to enter (unlike an unfixed window, that can open and close). clerestory windows in church architecture are frequently constant. transom home windows may be fixed or operable. this type of window is utilized in conditions in which mild or vision alone is wanted as no air flow is feasible in such windows without the use of trickle vents or overglass vents.
A unmarried-hung sash window is a window that has one sash that is movable (commonly the lowest one) and the opposite fixed. that is the sooner shape of sliding sash window, and is also cheaper.
A sash window is the traditional fashion of window inside the united kingdom, and plenty of other locations that were previously colonized by way of the UK, with two elements (sashes) that overlap slightly and slide up and down within the body. the two parts are not always the equal length; in which the higher sash is smaller (shorter) it’s far termed a cottage window. currently maximum new double-hung sash home windows use spring balances to support the sashes, however historically, counterweights held in boxes on both aspect of the window have been used. these had been and are connected to the sashes using pulleys of both braided cord or, later, reason-made chain. three varieties of spring balances are called a tape or clock spring stability; channel or block-and-address balance; and a spiral or tube balance.
Double-hung sash home windows had been historically often geared up with shutters. sash home windows can be equipped with simplex hinges that let the window be locked into hinges on one side, even as the rope on the other side is detached—so the window may be opened for fire break out or cleansing.