. With the addition of methanol, the tur-bine inlet temperature is restored. 3. . in addition also . in addition to as well as
additional /.d..(.)n.l/ adjective
added or extra additive /d.t.v/ noun a chemical substance, often liquid, added to another substance to give it extra quali-ties . Additives are used in engine oils to prolong the life of the engine. . Anti-icing additives are used in radiator coolants.
adequate /d.kw.t/ adjective
enough, sufficient . The compressor must provide an adequate airflow through the engine. . adequate fuel
enough fuel ADF abbreviation automatic direction finder
adhere /.dh../ verb to stick as if glued . Clear ice adheres strongly to airframes.
adhesive /.dhis.v/ noun glue . adjective having the sticking quality of glue . adhesive tape . Adhesive bond-ing of aluminium parts is widely employed.
ADI /e.dia./ abbreviation attitude direction indicator or attitude director indicator
adiabatic /d..bt.k/ adjective 1.
referring to processes through which heat cannot be lost or gained 2. refer-ring to a change in temperature in a mass of air, which occurs when the air is compressed or expanded by an increase or decrease in atmospheric pressure and does not involve the air losing heat to, or gaining heat from, its surroundings
adiabatic compression
/d..bt.k k.mpre.(.)n/ noun
compression caused by atmospheric factors, which makes descending air warm up
adiabatic cooling /d..bt.k kul../ noun a process in which ascending air is cooled by a decrease in atmospheric pressure without heat transfer
adiabatic expansion /d..bt.k .kspn.(.)n/ noun expansion caused by atmospheric factors, which makes ascending air cool down . Cooling by adiabatic expansion may result in cloud formation.
adiabatic heating /di.bt.k hit../ noun a process in which descending air is heated by an increase in atmospheric pressure without heat transfer
adjacent /.de.s(.)nt/ adjective
next to or near . Fire extinguishers should be positioned adjacent to the aircraft during all ground-running operations.
adjust /.dst/ verb to change and improve the position or setting of a piece of equipment . The pilot adjusts the throttle or propeller controls. . to adjust the seat to move the seat into a position suitable for yourself . to
7 advice
adjust the volume to increase or decrease the volume to improve the sound quality
adjustable /.'d3Ast.b(.)l/ adjective
designed to be adjusted 0 An adjustable stop on the throttle control ensures a positive idling speed.
adjustment /.'d3Astm.nt/ noun 1. a
change to improve the setting, position or operation of something 0 A slight adjustment to the seat will make it much more comfortable to sit in. 2. the act of changing something to improve its set-ting or position 0 Maximum system pressure is often controlled by adjust-ment of the main engine-driven pump.
admit /.d'm.t/ verb to allow to enter 0
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