measured altitude
1Altitude — Al ti*tude, n. [L. altitudo, fr. altus high. Cf. {Altar}, {Haughty}, {Enhance}.] 1. Space extended upward; height; the perpendicular elevation of an object above its foundation, above the ground, or above a given level, or of one object above… …
2Altitude — For other uses, see Altitude (disambiguation). Not to be confused with Attitude. Altitude or height is defined based on the context in which it is used (aviation, geometry, geographical survey, sport, and more). As a general definition, altitude… …
3altitude — i. The vertical distance of a level, a point, or an object considered as a point, measured from mean sea level (ICAO). In the case of aircraft in flight, it is normally expressed in flight levels or hundreds of feet. For example, an aircraft… …
4altitude — The vertical distance of a level, a point or an object considered as a point, measured from mean sea level. See also density altitude; drop altitude; elevation; minimum safe altitude; pressure altitude; transition altitude; true altitude …
5altitude datum — The arbitrary level from which vertical displacement is measured. The datum for height measurement is the terrain directly below the aircraft or some specified datum; for pressure altitude, the level at which the atmospheric pressure is 29.92… …
6altitude datum — The arbitrary level from which vertical displacement is measured. The datum for height measurement is the terrain directly below the aircraft or some specified datum; for pressure altitude, the level at which the atmospheric pressure is 1013.2… …
7altitude — noun /ˈælt.ɪˌtjuːd,ˈæltəˌtud/ a) The height measured from sea level up to any given point. The perpendicular height of a triangle is known as its altitude. b) A vertical distance …
8altitude — noun the height of an object or point in relation to sea level or ground level. ↘Astronomy the apparent height of a celestial object above the horizon, measured in angular distance. ↘Geometry the length of the perpendicular line from a vertex to… …
9Meridian altitude — is an astronomical navigation method of calculating an observer s latitude. Contents 1 Principle 2 Methodology 3 See also 4 References …
10Meridian altitude — Altitude Al ti*tude, n. [L. altitudo, fr. altus high. Cf. {Altar}, {Haughty}, {Enhance}.] 1. Space extended upward; height; the perpendicular elevation of an object above its foundation, above the ground, or above a given level, or of one object… …
