o He finds it difficult to understand how the computer works because it uses binary not decimal notation.ĭecimal place noun the position of a number to the right of the decimal pointĭecimal point noun the dot (.) used to separate a whole number from a decimal fractionĬomment: The decimal point is used in the USA and Britain. o Prices and number are normally written using decimal notation. □ correct to three places of decimal or to three decimal places correct to three figures after the decimal point o 2.754 is correct to three decimal places, 2.7 is correct to one decimal place.ĭecimal notation noun the method of writing a number in the decimal system o The fraction 3/4 can be written as 0.75 in decimal notation. Opposite accelerationĭecibel noun a unit for measuring the loudness of a sound.ĭecimal noun a decimal fraction ■ adjective □ decimal fraction a fraction as expressed in the decimal system o 0.50 is a decimal fraction that is equal to 1/2.
Opposite accelerate deceleration noun slowing down o Anti-skid braking systems units are designed to prevent the brakes locking the wheels during landing, thus reducing the possibility of wheel skid caused by the sudden deceleration of the wheel. o The aircraft exploded in mid-air, spreading debris over a wide area of the countryside.ĭecal noun picture, letters or digits printed on adhesive paper, which is transferred onto a surface and may be peeled away o A red decal with AVGAS 100LL in white letters indicates the type of fuel to be used.ĭecelerate ‘ verb to slow down o Reverse thrust and brakes help to decelerate the aircraft after landing.
#Computer air navigation dead reckoning free#
■ verb to handle or manage o A computer can deal with the constant inputs required to control an unstable aircraft.ĭebris noun scattered broken pieces o Before running up the engine, check that the aircraft is on firm ground and that the area is free of stones and other debris.
De-aerator noun a device to remove gas from a liquid de-aerator tray noun a device in the lubrication system to remove air bubbles from oil deal noun □ a great deal a large amount of, a lot of o A great deal of damage was done to the aircraft as a result of the fire.
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