altitude level
1Altitude diving — is scuba diving where the surface is 300 meters (1,000 feet) or more above sea level (for example, a mountain lake). [cite book |title=Encyclopedia of Recreational Diving, 3rd edition |last=Brylske |first=A. |year=2006 |publisher=PADI… …
2Altitude training — traditionally referred to as altitude camp, is the practice by some endurance athletes of training for several weeks at high altitude, preferably over 2,500 m (8,000 ft) above sea level, though more commonly at a lower altitude due to the lack of …
3Level — Lev el (l[e^]v [e^]l), n. [OE. level, livel, OF. livel, F. niveau, fr. L. libella level, water level, a plumb level, dim. of libra pound, measure for liquids, balance, water poise, level. Cf. {Librate}, {Libella}.] 1. A line or surface to which,… …
4Level of the sea — Level Lev el (l[e^]v [e^]l), n. [OE. level, livel, OF. livel, F. niveau, fr. L. libella level, water level, a plumb level, dim. of libra pound, measure for liquids, balance, water poise, level. Cf. {Librate}, {Libella}.] 1. A line or surface to… …
5level — [lev′əl] n. [OFr livel < VL * libellus < L libella, dim. of libra, a balance, level, weight] 1. an instrument for determining, or adjusting a surface to, an even horizontal plane: it has a glass tube partly filled with liquid so as to leave …
6level — [adj] smooth, balanced akin, aligned, alike, calm, commensurate, common, comparable, consistent, constant, continuous, equable, equivalent, even, exact, flat, flush, horizontal, identical, in line, leveled, like, lined up, matched, matching, of… …
7Altitude — 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… …
8altitude — ► NOUN ▪ the height of an object or point in relation to sea level or ground level. DERIVATIVES altitudinal adjective. ORIGIN Latin altitudo, from altus high …
9altitude — [al′tə to͞od΄, al′tətyo͞od΄] n. [L altitudo < altus, high, orig. pp. of alere, to nourish, cause to grow: see OLD] 1. height; esp., the height of a thing above the earth s surface or above sea level 2. a high place or region usually used in pl …
10medium-altitude level bombing — One in which bombs are released between 8000 (2.4 km) and 15,000 ft (4.5 km) …
