multiplication /mlt.pl.ke..(.)n/
noun a mathematical operation to work out a specified number of times the value of a number (NOTE: The multipli-cation sign is x.)
multiply /mlt.pla./ verb to work out a specified number of times the value of a number . To multiply 20 by 6 is to cal-culate what is 6 times 20 (6 x 20). . 4 multiplied by 2 is 8 (4 x 2 = 8). . To cal-culate fuel required, multiply the dura-tion of the flight by the consumption of the engine at the required power.
multi-purpose /mlti pp.s/
adjective suitable for many different uses . multi-purpose tool a tool which can be used in many different ways
multi-wheel combinations
/mlti wil k.mb.ne..(.)nz/ plural noun undercarriages consisting of a number of wheels on each unit
mutual /mjut.u.l/ adjective
directed and received in equal amount
mutual inductance /mjut.u.l .n dkt.ns/ noun electro-magnetic field in one circuit caused by a quickly changing magnetic field in another cir-cuit
N
N abbreviation north nacelle /n.sel/ noun a streamlined housing for an engine . The ram air intake is located in a wing leading edge or an engine nacelle fairing.
narrow /nr.υ/ adjective not wide .
narrow band of cloud . a narrow beam of electrons . The narrow aisles of pas-senger aircraft makes it difficult to evacuate an aircraft quickly. Opposite
wide, broad
NAS abbreviation national airspace system NASA /ns./ abbreviation National
Aeronautics and Space Administration
national /n.(.)n.l/ adjective
belonging to a country . KLM is the national airline of the Netherlands.
National Aeronautics and Space Administration /n.(.)n.l e.r.n.t.ks .n spe.s .d
m.n.stre..(.)n/ noun a US organisa-tion for flight and space exploration. Abbreviation NASA
national airspace system
/n.(.)n.l e.spe.s s.st.m/ noun an integrated system of control and com-munications facilities that is responsi-ble for ensuring the safe and efficient movement of aircraft through the national airspace of the US. Abbrevia-tion NAS
National Air Traffic Services
/n.(.)n.l e. trf.k sv.s.z/ plu-ral noun the organisation that is respon-sible for air traffic control at most UK airports. Abbreviation NATS
NATS abbreviation National Air Traf-fic Services nature /ne.t../ noun 1. the world, especially plants, animals and their environment in general . Electricity is one of the fundamental forces of nature.
2. sort or type . Action taken by the crew will depend on the nature of the emergency. 3. the essential qualities of something . the convective nature of thunderstorms . Magnesium is a fire hazard of unpredictable nature.
nautical /n.t.k(.)l/ adjective refer-ring to the sea . The terms pitch, roll and yaw are nautical in origin.
nautical mile /n.t.k(.)l ma.l/
noun 1.852 kilometres . One knot is equal to one nautical mile per hour.
Abbreviation nm. Compare statute mile (NOTE: A nautical mile is precisely defined as the length of an arc on the Earth’s surface subtended by an angle of one minute at the centre of the Earth.)
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