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单词 deceleration
释义

decelerationn.

/diːsɛləˈreɪʃən/
Etymology: formed as decelerate v. + -ation suffix.
The action or process of decelerating.
ΘΚΠ
the world > movement > rate of motion > [noun] > decreasing rate of movement or progress
relent1580
slowing1598
slowing up1868
slowing down1870
slow-up1874
slowdown1882
deceleration1897
slack1899
slow1954
1897 Daily News 20 July 5/2 As far as the Great Northern and Caledonian Companies are concerned, ‘deceleration’ has been the order of the day in making the summer arrangements.
1900 Daily News 24 Mar. 5/6 These alterations and ‘decelerations’ affect only Chatham trains.
1922 Field 18 Feb. Our travel was one of smooth acceleration and deceleration.
1926 Bulletin 1 Dec. 5/6 Drive cautiously and avoid sudden acceleration or deceleration.
1930 A. Bennett Imperial Palace iv. 17 Her accelerations and decelerations, her brakings, could hardly be perceived.
1955 Roadcraft (H.M.S.O.) vii. 70 There are two normal methods by which the speed of a motor vehicle may be reduced—(a) by the deceleration of the engine as the pressure on the accelerator is relaxed, and (b) by the application of the brakes.
1971 Daily Tel. 1 July 30/5 The cosmonauts could have died of a lack of blood supply to the brain caused by the strong deceleration during re-entry from space.
This entry has not yet been fully updated (first published 1933; most recently modified version published online March 2018).
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