takeoff n
1. a departure; especially of airplanes
2. the initial ascent of an airplane as it becomes airborne
3. a composition that imitates somebody's style in a humorous way [syn: parody, lampoon, spoof, sendup, mockery, burlesque, travesty, charade, pasquinade, put-on]
4. humorous or satirical mimicry [syn: parody, mockery]
   "Take-off" web1913 "Webster's Revised Unabridged Dictionary (1913)" Take-off \Take"-off`\, n. The spot at which one takes off; specif., the place from which a jumper rises in leaping. The take-off should be selected with great care, and a pit of large dimensions provided on the landing side. --Encyc. of Sport.
   "Take-off" web1913 "Webster's Revised Unabridged Dictionary (1913)" Take-off \Take"-off`\, n. An imitation, especially in the way of caricature.

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Takeoff is the phase of flight in which an aircraft goes through a transition from moving along the ground (taxiing) to flying in the air, usually starting on a runway. For balloons, helicopters and some specialized fixed-wing aircraft (VTOL aircraft such as the Harrier), no runway is needed. Takeoff is the opposite of landing.

For light aircraft, usually full power is used during takeoff. Large transport category (airliner) aircraft may use a reduced power for takeoff, where less than full power is applied in order to prolong engine life, reduce maintenance costs and reduce noise emissions. In some emergency cases, the power used can then be increased to increase the aircraft's performance. Before takeoff, the engines, particularly piston engines, are routinely run up at high power to check for engine-related problems. The aircraft is permitted to accelerate to rotation speed (often referred to as Vr). The term rotation is used because the aircraft pivots around the axis of its main landing gear while still on the ground, usually because of manipulation of the flight controls to make this change in aircraft attitude.

• Small plane lands in grass after failed takeoff at Thun Field
  An experimental plane wound up in the grass after a failed takeoff Tuesday from Thun Field in Pierce County, south of Puyalllup. Read more on this news related to 'Takeoff'
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