| aeromechanics |
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noun - (physics) The branch of mechanics that deals with the motion of gases; it comprises aerostatics and aerodynamics
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| aeronautical |
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adjective
- Of or pertaining to the scientific study of flight
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| aeronautics |
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noun - The design, construction, mathematics and mechanics of aircraft and other flying objects
- The theory and practice of aircraft navigation
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| aerostat |
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noun
- An aircraft, such as a dirigible or balloon, that derives its lift from buoyancy rather than from wings or rotors.
- A moored balloon flown in a semi-permanent manner, as a border patrol monitoring balloon affixed at 18,000 feet (~6km).
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| aerostatics |
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noun
- (physics) the study of gases in equilibrium and of balloons or aircraft in varying atmospheric conditions
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| AFC |
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initialism - Automatic Frequency Control. (radio technics)
- Adult Foster Care
- American Football Conference
- Additional Finance Charges
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| after |
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adjective
- (nautical; where the frame of reference is within the ship.) At or towards the stern of a ship
- Note: The adverb is aft, thus; "The gun is mounted aft"
- The related preposition in this nautical usage is abaft.
- "The gun is abaft the forward gun".
adverb
- Behind; later in time; following.
- They lived happily ever .
- I left the room, and the dog bounded .
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| afterburner |
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noun
- A device in the engine of an aircraft which injects fuel into the exhaust system to increase the thrust.
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| aileron |
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noun
- hinged part on trailing edge of an airplane wing. Used to control lateral turns.
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| air brake |
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noun
- (alternative spelling of, airbrake)
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| air corridor |
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noun
- A predefined route, or series of routes, in which a commercial or military aircraft must fly.
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| aircraft |
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noun (pl=aircraft)
- A vehicle capable of atmospheric flight due to interaction with the air, such as buoyancy or lift.
- (plural of, aircraft)
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| airfoil |
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noun (plural: airfoils)
- A structure shaped to produce lift when moving in air.
- A wing of an aircraft.
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| airframe |
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noun
- the main body and structure of an aircraft (without powerplant)
- This airframe has 2600 flight hours on it, the powerplant has just over 800.
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| air hole |
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noun
- a hole in any surface that allows air or other gases to pass, especially an opening in the surface of a frozen lake etc
- an air pocket
- the blowhole of a whale
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| airplane |
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noun
- A powered aircraft with fixed wings used for transportation of humans and goods; for amusement or entertainment; and in warfare. An aeroplane.
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| airship |
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noun
- A lighter-than-air aircraft that can be propelled forward through the air as well as steered.
- Airships are posited to be cheaper to operate over time than fixed-wing aircraft, but as there are no large fleets, this is hard to prove in practice.
- (informal) Any aircraft.
- On weekends, I liked to spend my time at the airport watching the various airships take off and land.
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| airspeed |
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noun
- (aviation) The speed of an aircraft relative to the air through which it is flying.
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| airspeed indicator |
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noun
- (aviation) An instrument that displays an aircraft's current airspeed.
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| airstrip |
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noun
- An aircraft landing field, usually with only one runway and basic facilities.
- The outfitter deposited us at a small out in the bush, promising to pick us up again in a week's time.
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| altimeter |
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noun
- an apparatus for measuring altitude
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| altitude |
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noun
- the height measured from sea level up to any given point
- a distance measured upwards
- the distance measured perpendicularly from a figure's vertex to the opposite side of the vertex
- the distance measured angularly of a heavenly body above our Earth's horizon
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| angle of attack |
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noun (abbreviated as AOA)
- (context, aeronautics) The angle between the chord line of an airfoil and the airflow over it; one of the determiners of the amount of lift produced by an airfoil.
- (context, nautical) The angle between a mid-sail and the direction of the wind.
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| angle of incidence |
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noun
- (optics) (physics) The angle that a straight line, ray of light, etc., meeting a surface, makes with a normal to the surface at the point of meeting.
- (context, airplane) The angle, usually fixed, between the chord line of a wing or horizontal stabilizer and the axis of the fuselage, measured at the root. In UK called the angle of attack.
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| artificial horizon |
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noun
- (aviation) An instrument that displays the pitch and roll of an aircraft in flight by comparing its attitude to a gyroscopically-maintained indication of the flat horizon line.
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| aspect ratio |
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noun
- The ratio of an object's longest dimension to its next-longest dimension.
- The ratio of width to height in a flat surface or 2-dimensional abstract construction, such as an image, character, or pixel. 4:3 (or 1.33:1) is the standard ratio for NTSC video. 1.85:1 and 2.35:1 are the most common aspect ratios for motion pictures.
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| athodyd |
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noun - A simple jet engine consisting essentially of a tube with a means of delivering fuel and ignition into the tube. The engine can only be started in a fast airflow. This type of engine is expected to be able to provide cruising speeds at Mach numbers of around 5 to 7 (5 to 7 times the speed of sound).
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| attitude |
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noun
- The position of the body or way of carrying oneself.
- The ballet dancer walked with a graceful ,
- Disposition or state of mind.
- but had a lazy to work.
- A negative, irritating, or irritated attitude. (From attitude problem.)
- "Don't give me your attitude."
- The orientation of an aircraft or other vehicle relative to the horizon, direction of motion etc.
- The airliner had to land with a nose-up after the incident.
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| autogiro |
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noun
- an aircraft in which lift is provided by unpowered rotating wings and thrust is provided by a conventional propeller
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| automatic |
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noun
- A car with automatic transmission.
- I never learned to drive a stick. I can only drive an automatic.
- A semi-automatic pistol is often referred to as an automatic, although this is not strictly correct.
adjective
- Capable of operating without external control or intervention.
- The automatic clothes washer was a great labor-saving device
- Acting out of habit; without conscious thought.
- My reaction of fear was automatic.
- Describes a firearm which fires continuously as long as the trigger is pressed and ammunition is not exhausted. Used regarding machine pistols, submachine guns, or machine guns.
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| autopilot |
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noun
- a mechanical, electrical, or hydraulic system used to guide a vehicle without assistance from a human being.
- I set the autopilot to due south, so I could get some rest.
- A state of mind where one no longer thinks about doing his actions, he just does them seemingly as a second nature
- I've been doing this 12 hours non-stop, and am so hungry and tired that I've stopped thinking, I'm now on autopilot.
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| aviate |
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verb (aviat, ing)
- To operate an aircraft.
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| aviation |
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noun
- The art or science of flying.
from aves (Latin) meaning birds
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| avionics |
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noun
- The science and technology of the development and use of electrical and electronic devices in aviation.
- The devices used in avionics.
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