trailing edgen.
1. The rear edge of a moving body; spec. in Aeronautics, that of a wing or other part of an aircraft.
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the world > space > relative position > position at the back > [noun] > rear edge of a moving body
trailing edge1909
society > travel > air or space travel > a means of conveyance through the air > aeroplane > parts of aircraft > [noun] > plane or aerofoil > trailing or leading edge
trailing edge1909
leading edge1912
1909 Flight 3 July 390/1 These ribs overlap the rear spar and form a flexible trailing edge.
1934 Flight 8 Feb. 123/1 The split trailing edge flaps effect a big reduction in landing speed and length of glide.
1962 Aeroplane 23 Aug. 24/3 To this metal structure are attached the glass-fibre leading- and trailing-edge units. The former is in one piece from tip to engine nacelle and contains 11 glass-fibre riblets.
1969 Daily Tel. 12 Nov. 14/6 Warning red lights mounted in the interior trailing-edge of the doors come on when a door is opened.
1971 I. G. Gass et al. Understanding Earth xix. 263/1 The newly generated crust and its upper mantle is effectively welded to the plate's trailing edge.
2. Electronics. The part of a pulse in which the amplitude diminishes.
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the world > matter > physics > electromagnetic radiation > electronics > electronic phenomena > [noun] > pulse > part of
leading edge1945
trailing edge1945
1945 Nature 15 Sept. 319/2 The end or ‘trailing edge’ [of the pulse] marks the beginning of an invaluable clear period in which the radar echoes..can be received free from the overlaying and interfering effect of the primary signal.
1967 Electronics 6 Mar. 160/1 Nearly all of the earlier logic systems were based on trailing-edge triggering, so many engineers consider it normal.
1973 Sci. Amer. May 109/2 The trailing edge of the next pulse, the third in the series, causes flip-flop A to change state.
This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2018).
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n.1909