external /.kstn(.)l/ adjective refer-ring to, existing on, or connected with the outside or an outer part . The only external force acting on air is gravity.
Opposite internal . external appear-ance the appearance of something from the outside
external ambient pressure /.k stn(.)l mbi.nt pre../ noun pres-sure outside the aircraft
extinguish /.kst..w../ verb to put out . The fire services extinguished the fire.
extinguisher /.kst..w.../ noun a
portable mechanical device for spray-ing and putting out a fire with chemicals
. Hand-operated fire extinguishers are provided to combat any outbreaks of fire in the flight crew compartment and passengers’ cabins.
extract noun /ekstrkt/ a part taken from a longer text . The following par-agraph is an extract from a flight man-ual. . verb /.kstrkt/ 1. to obtain from a substance by chemical or mechanical action . A dehumidifier extracts mois-ture from the atmosphere. 2. to take out or to obtain information from some-
91 eye
thing . Extract the important informa-tion from a text.
extrapolate /.kstrp.le.t/ verb to
estimate by using known facts . Infor-mation given on a synoptic chart can be extrapolated, by the use of some simple guidelines.
extreme /.kstrim/ adjective 1. most
distant in any direction, the outermost or farthest . the most extreme point on the map 2. to the greatest or highest degree, very great . extreme care must be taken the greatest care must be taken . extreme difficulty great difficulty . noun either of the two things, values, situations, etc., situated at opposite ends of a range . the extremes of boiling and freezing . The region experiences extremes of temperature.
eye /a./ noun an organ in the head which lets you see. . coordination, vision
F
F symbol 1. Fahrenheit 2. farad
FAA abbreviation US Federal Aviation Administration fabric /fbr.k/ noun material or cloth
produced especially by knitting or weaving . A breathing mask has a fab-ric carrying bag.
fabricate /fbr.ke.t/ verb to make or manufacture . Selected wing panels are fabricated entirely from magnesium alloys. . The ease with which alumin-ium can be fabricated into any form is one of its most important qualities.
face /fe.s/ noun 1. the surface of an object . the face of the earth . The exhaust cone prevents the hot gases from flowing across the rear face of the turbine disc. . the north face of the mountain the vertical or near-vertical side facing north 2. the front part with dial, indicators, etc. . the face of an instrument . the face of a clock the front part of the clock with numbers 3. the front of the head, including the eyes, nose, mouth . full face smoke mask a protective mask for fighting fires which covers the whole face . verb to be turned towards a particular direction .
Hills and mountains which face the sun receive more intense radiation. . the building faces north the building has its front towards the north
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