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Longman Dictionary of Contemporary English
▪ Its adaptability means that it can survive at high altitudes, in semi-arid areas, and in rocky areas as well as in forests.
▪ The satellite was hurled to a much higher altitude with the mass of tether trailing beneath.
▪ The community typically occurs on peaty soils on gentle slopes or plateaus at higher altitudes.
▪ Explosions that occur at high enough altitudes will lay down severe shock and fire damage without the fireball ever contacting the ground.
▪ Its proponents claim that it has the advantage of functioning at high altitudes, where winds are strong and stable.
▪ I am proposing to ponder the question of Letterman's script up in the higher altitudes.
▪ You have to live at high altitude for years before your body adapts.
▪ The winds at lower altitudes have been measured at a few locations by landers as they descended through the atmosphere.
▪ They were flying at a much lower altitude, without any fighter escort, and obviously had not noticed us.
▪ Peat moorland, especially at low altitude, was used in the past for cultivation, normally potatoes but sometimes cereals.
▪ He circled the burning fields both at a lower altitude and more times than he should have.
▪ Why is the height of a simple barometer lower at high altitudes than at low altitudes?
▪ This is caused by condensation in the air which moves upwards as the temperature at lower altitudes rises.
▪ The Mikoyan Mig-25 had established the all-time altitude record of just under 120,000 feet.
▪ The year before, she had set a new altitude record for light planes in the Avian.
▪ We spoke of our 1931 altitude record and of our progress over the years between.
▪ In 1931, Goddard held the world altitude record for a rocket, with a flight to 1, 700 feet.
▪ Theroux had a deep gash on his face, neckache, altitude sickness and a damaged wrist.
▪ Dehydration is one of the keys to altitude sickness.
▪ I am light-headed, perhaps from a mild attack of altitude sickness.
▪ Last summer altitude sickness ruined one Sierra trip of mine and half-ruined another.
▪ An expert on altitude sickness says he hasn't got long to live.
▪ Aviation experts say the planes were flying at low altitude on a special maritime training mission.This report from Debbie Kelly.
▪ The planes flew at high altitudes, so that we had no warning.
▪ The Cobras could fly at a higher altitude and had massive firepower.
▪ We should reach our minimum descent altitude in just over 2 minutes.
▪ St. Helens reached an altitude of 6000 metres in 10 minutes.
▪ He said it reached an altitude almost five miles above the known record.
▪ They believed U-2s went much higher and they knew Soviet missiles could not reach these altitudes.
▪ On reaching an altitude of 3, 000 meters, I had the sighting bomber take position in front of my plane.
▪ It's very difficult to breathe at high altitudes.
▪ The altitude of Addis Ababa is eight thousand feet.
▪ The plane is now flying at an altitude of 30,000 feet.
▪ Any investigation of the heady altitudes of Andean music should begin right here.
▪ Dennis smiles down from his altitude and is charmed.
▪ Start a day or two before you ascend and continue at altitude.
▪ Sweat dripped off me as I fought to achieve a stable altitude above the ground.
▪ The basic qualification is a big lift system and altitude.
▪ The flight began in July but was delayed for two weeks until early August following initial problems with take-off at high altitudes.
▪ The north-south winds vary in direction with altitude, though the zonal winds are in the direction of rotation at all altitudes.
▪ This is a 14-pound inflatable chamber that lowers the effective altitude inside by 3, 000 to 5, 000 feet.
The Collaborative International Dictionary

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 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.

  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.

Douglas Harper's Etymology Dictionary

late 14c., from Latin altitudinem (nominative altitudo) "height, altitude," from altus "high" (see old).


n. The absolute height of a location, usually measured from sea level.

  1. n. 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]

Altitude (ALT album)

Altitude was the only studio album to date released by ALT, the grouping of Tim Finn, Andy White & Liam O'Moanlai. Also released was a live recording simply called Bootleg.

Altitude (Yellow Second album)

Altitude is the third and final full-length album by the band Yellow Second, released on March 8, 2005 by Floodgate Records. Altitude was the only Yellow Second album to receive distribution via a major label, making it the band's most prevalent and well-known album.

Altitude (Autumn album)

Altitude is the fourth studio album by the Dutch gothic metal band Autumn, released in Europe 13 February 2009 and on 23 February 2009 in North America.


Altitude or height (sometimes known as depth) is defined based on the context in which it is used (aviation, geometry, geographical survey, sport, and many more). As a general definition, altitude is a distance measurement, usually in the vertical or "up" direction, between a reference datum and a point or object. The reference datum also often varies according to the context. Although the term altitude is commonly used to mean the height above sea level of a location, in geography the term elevation is often preferred for this usage.

Vertical distance measurements in the "down" direction are commonly referred to as depth.

Altitude (triangle)

In geometry, an altitude of a triangle is a line segment through a vertex and perpendicular to (i.e. forming a right angle with) a line containing the base (the opposite side of the triangle). This line containing the opposite side is called the extended base of the altitude. The intersection between the extended base and the altitude is called the foot of the altitude. The length of the altitude, often simply called the altitude, is the distance between the extended base and the vertex. The process of drawing the altitude from the vertex to the foot is known as dropping the altitude of that vertex. It is a special case of orthogonal projection.

Altitudes can be used to compute the area of a triangle: one half of the product of an altitude's length and its base's length equals the triangle's area. Thus the longest altitude is perpendicular to the shortest side of the triangle. The altitudes are also related to the sides of the triangle through the trigonometric functions.

In an isosceles triangle (a triangle with two congruent sides), the altitude having the incongruent side as its base will have the midpoint of that side as its foot. Also the altitude having the incongruent side as its base will form the angle bisector of the vertex.

It is common to mark the altitude with the letter h (as in height), often subscripted with the name of the side the altitude comes from.

In a right triangle, the altitude with the hypotenuse c as base divides the hypotenuse into two lengths p and q. If we denote the length of the altitude by h, we then have the relation

  ( Geometric mean theorem)

For acute and right triangles the feet of the altitudes all fall on the triangle's interior or edge. In an obtuse triangle (one with an obtuse angle), the foot of the altitude to the obtuse-angled vertex falls on the opposite side, but the feet of the altitudes to the acute-angled vertices fall on the opposite extended side, exterior to the triangle. This is illustrated in the diagram to the right: in this obtuse triangle, an altitude dropped perpendicularly from the top vertex, which has an acute angle, intersects the extended horizontal side outside the triangle.

Altitude (video game)

Altitude is a multiplayer 2-D aerial combat game developed by independent software developers Erik Measure and Karl Sabo. The game was released on May 1, 2009 for Windows, Mac OS X and Linux. It became available on Steam on December 4, 2009. It has become a free game in 2014, from the previous 9.99 price.

Altitude (film)

Altitude is a Canadian horror, television and "direct-to-video" film directed by Canadian comic book writer and artist Kaare Andrews. Anchor Bay Entertainment is set to distribute the film in North America, U.K., Australia, and New Zealand. The trailer for Altitude premiered at the 2010 San Diego Comic Con.

Altitude (disambiguation)

Altitude is the height of an object over a datum.

It may also refer to:

  • Height
  • Altitude (astronomy), one of the angular coordinates of the horizontal coordinate system
  • Altitude (triangle), in geometry, a line passing through one vertex of a triangle and perpendicular to the opposite side
  • Altitude Sports and Entertainment, a regional sports network in Colorado
  • Altitude (film), a 2010 Canadian horror film directed by Kaare Andrews
  • Altitude (computer game), a 2D aerial combat game released in 2009
  • Altitude (G.I. Joe), a fictional character in the G.I. Joe universe
  • Altitude (ALT album), the collaborative album released by Andy White, Tim Finn and Liam O'Moanlai under the name ALT
  • Altitude (Autumn album), the album by Dutch rockband Autumn
  • Altitude (Yellow Second album), the album by pop punk band Yellow Second
  • Altitude (Joe Morris album), the album by jazz guitaris Joe Morris
Altitude (Joe Morris album)

Altitude is an album by American jazz guitarist Joe Morris which was recorded live in 2011 and released on the AUM Fidelity label. It documents the first time performance by Morris, bassist William Parker and drummer Gerald Cleaver as a trio during a two-week of dates curated at John Zorn's club The Stone by label owner Steven Joerg. For the second set, excerpted in the final two cuts of the album, Parker played sintir, the Moroccan bass lute, instead of upright bass. All the tracks are collective and completely improvised.

Usage examples of "altitude".

From this, and much other evidence, geologists have deduced that the Altiplano is still gradually rising, but in an unbalanced manner with greater altitudes being attained in the northern part and lesser in the southern.

The two-engine Boeing 767 had no trouble flying to a cruise altitude of just over seven and a half miles in the sky.

Airplanes are designed to be able to fly with one engine inoperative, but the pilots decided to reduce altitude and were beginning to redirect the airplane to a closer airport when the second engine flamed out.

The 767 can glide about eleven miles forward for each mile it loses in altitude, but that still only afforded flight 143 about fifteen minutes in the air.

On long international flights, as heavy fuel slowly burns off, pilots will ascend to a higher cruise altitude every two or three hours.

The airplane gets more lift from the air traveling faster over the wing, so the pilot needs to slow the plane down and bring it to a lower altitude to maintain its path.

When an airplane encounters some, it slows down and air traffic controllers try to assign it an altitude where the air might be more stable.

United States can legally fly up to an altitude of 17,999 feet in powerful updrafts of air.

These aircraft are designed to fly just fine at a lower cruising altitude with just one engine, but no one wants to take a chance that the other engine might fail, too.

Spoilers make the airplane lose altitude and slow down, but they can also cause some choppy vibrations.

There are to be no interruptions or discussions about anything other than the operation and safety of the flight from takeoff until 10,000-feet altitude, and again from 10,000 feet down until landing.

A severe downdraft or wind shear is scary at cruising altitude, but not life-threatening if you have a seatbelt on.

They swung in wide left turns at a comfortable altitude and in loose formation to ease the pilots.

The Marines at Ewa saw a Dauntless which was probably his, in a twisting, swirling, low altitude mix-up with two or three Zeros, fixed and free guns all firing at once.

They checked altitude and air speed, fuel consumption and position in formation, and again searched the wide sea and the sky.