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al·ti·tude /ˈæltəˌtud ||ˌtjud/

高度,海拔,高處

From: Network Terminology

altitude

高度

Al·ti·tude n.

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 another; as, the altitude of a mountain, or of a bird above the top of a tree.

2. Astron. The elevation of a point, or star, or other celestial object, above the horizon, measured by the arc of a vertical circle intercepted between such point and the horizon. It is either __true__ or __apparent__; __true__ when measured from the rational or real __horizon__, __apparent__ when from the sensible or apparent horizon.

3. Geom. The perpendicular distance from the base of a figure to the summit, or to the side parallel to the base; as, the altitude of a triangle, pyramid, parallelogram, frustum, etc.

4. Height of degree; highest point or degree.

*He is [proud] even to the altitude of his virtue.* --*Shak.*

5. Height of rank or excellence; superiority.

6. pl. Elevation of spirits; heroics; haughty airs. [Colloq.]

*The man of law began to get into his altitude.* --*Sir W. Scott.*

**Meridian altitude**, an arc of the meridian intercepted between the south point on the horizon and any point on the meridian. See Meridian, 3.

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From: WordNet (r) 2.0

altitude

n 1: elevation especially above sea level or above the earth's

surface; "the altitude gave her a headache" [syn: height]

2: the perpendicular distance from the base of a geometric

figure to opposite vertex (or side if parallel)

3: angular distance above the horizon (especially of a

celestial object) [syn: elevation, EL, ALT]