1 an upward slope or grade (as in a road); "the car couldn't make it up the rise" [syn: ascent, acclivity, rise, raise, upgrade] [ant: descent]
2 an event that involves rising to a higher point (as in altitude or temperature or intensity etc.) [syn: climbing, mounting]
3 the act of climbing something; "it was a difficult climb to the top" [syn: mount]
1 go upward with gradual or continuous progress; "Did you ever climb up the hill behind your house?" [syn: climb up, mount, go up]
2 move with difficulty, by grasping
3 go up or advance; "Sales were climbing after prices were lowered" [syn: wax, mount, rise] [ant: wane]
4 slope upward; "The path climbed all the way to the top of the hill"
5 improve one's social status; "This young man knows how to climb the social ladder"
6 increase in value or to a higher point; "prices climbed steeply"; "the value of our house rose sharply last year" [syn: rise, go up]
Etymologyetyl ang climban, from West . Cognate with Dutch klimmen, German klimmen.
- Rhymes with: -aɪm
to ascend, to go up
- Dutch: klimmen
- Finnish: kohota, nousta
- French: grimper, monter
- German: klettern
- Hebrew: לעלות (la'alot), להאמיר (le'haamyr), the most similiar to climb is לטפס [letapes]]
- Icelandic: klifra
- Irish: tóg
- Italian: arrampicare, scalare
- Japanese: 登る(のぼる, noboru)
- Old English: stigan
- Portuguese: subir
- Russian: подниматься
- Scots: clim
- Spanish: escalar
- Swedish: klättra
- Welsh: dringo
to mount, to move upwards on
- An act of climbing.
In aviation, the term climb refers both to the actual operation of increasing the altitude of an aircraft and to the logical phase of a typical flight (often called the climb phase) following take-off and preceding the cruise, during which an increase in altitude to a predetermined level is effected.
A climb is carried out by increasing the lift of airfoils (wings) supporting the aircraft until their lifting force exceeds the weight of the aircraft. Once this occurs, the aircraft will climb to a higher altitude until the lifting force and weight are again in balance. The increase in lift may be accomplished by increasing the angle of attack of the wings, by increasing the thrust of the engines to increase speed (thereby increasing lift), by increasing the surface area or shape of the wing to produce greater lift, or by some combination of these techniques. In most cases, engine thrust and angle of attack are simultaneously increased to produce a climb.
Because lift diminishes with decreasing air density, a climb, once initiated, will end by itself when the diminishing lift with increasing altitude drops to a point that equals the weight of the aircraft. At that point, the aircraft will return to level flight at a constant altitude.
The climb phase of a typical flight of an aircraft is the period during which the aircraft climbs to a predetermined cruising altitude after take-off. Depending on the aircraft, the altitudes involved, and other factors, this phase may last from a minute or two to half an hour or more. The climb phase immediately follows take-off and precedes the cruise phase of the flight. Although a single climb phase is typical, multiple climb phases may alternate with cruise phases, particularly for very long flights in which altitude is increased as the weight of fuel aboard decreases (see step climb).
During long climbs the angle or rate of climb is often reduced. This slows the speed of ascent but increases the speed of forward progress towards the destination, often saving time when taken over the entire journey. Added benefits of a gradual climb in some aircraft are improved forward visibility over the nose of the aircraft and less wear and tear on the engines.
If a climb beyond the abilities of the aircraft is attempted, increasing angle of attack in the wings may produce a stall.
Aircraft also climb by entering a zone of rising air, but since such zones are unpredictable and inconveniently located, and since most are poorly adapted to passive climbs of this type, only gliders attempt such climbs on a regular basis. A passive climb combined with an active climb can produce a higher climb rate than either method alone.
The opposite of a climb is a descent.
In some jurisdictions and under some conditions, “normal” climbs are defined by regulations or procedures, and are used to develop airway systems, airspaces, and instrument procedures. Normal climbs are simply standardized climb rates achievable by most aircraft under most conditions that are used as conservative guidelines when developing procedures or structures that are partially a function of such rates. For example, a normal climb of 120 feet per nautical mile might be assumed during the development of a navigational procedure or while defining airspace limits in airport terminal areas.
climb in German: Steigflug
climb in Dutch: Klimmen (luchtvaart)
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