el·e·va·tion / ˌeləˈvāshən/ • n. 1. the action or fact of elevating or being elevated: her sudden elevation to the cabinet. ∎ augmentation of or increase in the amount or level of something: ∎ (in a Christian Mass) the raising of the consecrated elements for adoration. 2. height above a given level, esp. sea level: a network of microclimates created by sharp differences in elevation a total elevation gain of 3,995 feet. ∎ a high place or position: most early plantation development was at the higher elevations. ∎ the angle of something with the horizontal, esp. of a gun or of the direction of a celestial object. ∎ Ballet the ability of a dancer to attain height in jumps. 3. a particular side of a building: a burglar alarm was prominently displayed on the front elevation. ∎ a drawing of the front, side, or back of a house or other building: a set of plans and elevations. DERIVATIVES: el·e·va·tion·al adj.
elevation, vertical distance from a datum plane, usually mean sea level to a point above the earth. Often used synonymously with altitude, elevation is the height on the earth's surface and altitude, the height in space above the surface. The elevation of a feature is calculated through such surveying techniques as trigonometric triangulation and aerial photogrammetry. Elevation is represented by using contours of equal elevation lines, three-dimensional computer graphics representation, or molded three-dimensional plastic models.
1. Accurate geometrical projection, drawn to scale, of a building's façade or any other visible external or internal part on a plane vertical (at a right angle) to the horizon.
2. Any external façade.
Fraser Reekie (1946)