2. the period of time between two events . A precise interval is essential to obtain correct ignition timing on all cylinders.
introduction /.ntr.dk.(.)n/ noun
1. something written which comes at the beginning of a report, chapter, etc., or something spoken which comes at the beginning of a talk . In his introduc-tion, the chief executive praised the efforts of the workforce over the previ-ous 12 months. 2. the act of bringing into use . The introduction of fly-by-wire technology has made the pilot’s task easier.
inverse /.nvs/ adjective reversed in order or effect . There is an inverse relationship between altitude and tem-perature, i.e. temperature decreases as altitude increases.
inversion /.nv.(.)n/ noun 1. an atmospheric phenomenon where cold air is nearer the ground than warm air .
Smog is smoke or pollution trapped on the surface by an inversion of tempera-ture with little or no wind. 2. turning something upside down . Inversion of the aircraft in flight may result in fuel stoppage.
inversion layer /.nv.(.)n le../
noun a layer of the atmosphere in which the temperature increases as altitude increases
invert /.nvt/ verb to turn upside down . A glass tube is sealed at one end, filled with mercury and then inverted so that the open end is immersed in a bowl containing mer-cury.
investigate /.nvest.e.t/ verb to
examine or look into something in great detail . If the starter engaged light stays on after starting, it means that power is still connected to the starter and, if it is still on after 30 seconds, the cause must be investigated.
investigation /.nvest.e..(.)n/
noun a detailed inquiry or close exami-nation of a matter . accident investiga-tion process of discovering the cause of accidents
‘…accident investigation by the FAA and the German LBA revealed that the crashed aircraft had been completely repainted in an unauthorized paint shop’ [Pilot]
investigator /.nvest.e.t./ noun a
person who investigates . Accident investigators found poor coordination between controllers.
invisible /.nv.z.b(.)l/ adjective
impossible to see . Oxygen is an invisi-ble gas.
involve /.nv.lv/ verb to include . In
large transport aircraft, because of the distance and numbers of people involved, effective and rapid communi-cations are required between flight crew and cabin crew and between cabin crew and passengers. . Two aircraft were involved in an accident.
involved /.nv.lvd/ adjective over-
complex, difficult . The procedure for
127 item
replacing a lost passport is very involved.
inward /.nw.d/ adjective directed to or moving towards the inside or interior
. To provide protection against smoke and other harmful gases, a flow of 100% oxygen is supplied at a positive pressure to avoid any inward leakage of poisonous gases at the mask.
inwards /.nw.dz/ adverb towards the inside or the interior . The door opens inwards. Opposite outwards
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