1566 W. Painter Palace of Pleasure I. xli. f. 114 The acceleratyng of the ruine of hymself, and his desires.

1591 H. Unton Corr. (1847) 49 For the accelerating of bothe theise matters, I praie you, faile not to presse the King.

1665 J. Glanvill Scepsis Scientifica Addr. Royal Soc. sig. b3 The accelerating and bettering of Fruits.

1774 Crit. Rev. 38 111 Men in those days paid not only for their offences, but for favours, for obtaining justice, for the accelerating of it.

1874 Brit. Jrnl. Photogr. 25 Dec. 618/1 The effect is the same, and even with dry plates shows a retarding rather than an accelerating of the sensitiveness.

1911 Electr. Jrnl. 8 184/1 Many of the small motor applications involving the starting and accelerating of heavy loads.

2008 C. Culver Rich Girl 116 ‘Let's race.’ This remark was accompanied by the accelerating of the driver's engine.

1654 W. Charleton Physiologia Epicuro-Gassendo-Charltoniana iii. x. 266 Salt, Nitre, and Sulphur..have yet no accelerating, but a retarding energy upon Turpentine, Balsome, Myrrh, &c. in the extraction of their Oyls.

1698 J. Keill Exam. Burnet's Theory Earth 106 Drawn or pusht with the same accelerating force.

1807 T. Young Course Lect. Nat. Philos. I. iv. 33 An accelerating force, therefore, tending to a point out of a line of direction of a moving body, deflects it from that line, and is then usually called a centripetal force.

1875 Photogr. News 23 July 854/1 Uranium salt..its accelerating influence on dry plates.

1915 Science 9 July 56/2 The acceleration of a given body is proportional to the accelerating force.

1932 Physical Rev. 42 902 Charged atoms are accelerated..at each passage through an accelerating chamber.

2006 P. Woit Not even Wrong i. 21 The frequency of the accelerating voltage changed as the particles were accelerated.

2006 Philos. Trans. (Royal Soc.) A. 364 644 Photon acceleration in plasma waves is inefficient compared to electron acceleration, as the accelerating force decreases with increase photo energy.

1661 T. Salusbury tr. Galileo Syst. World in Math. Coll. & Transl. I. 127 The Ball would continue to move in infinitum.., and continually with an accelerating motion.

1796 M. Wollstonecraft Lett. Sweden, Norway & Denmark 264 To convince me that such a change is gaining ground, with accelerating pace, the view I have had of society, during my northern journey, would have been sufficient.

1827 N. Arnott Elements Physics I. iii. 420 By the law of gravity, a body would fall with a constantly accelerating speed.

1878 J. R. Seeley Life & Times Stein III. 524 ‘England's rapidly accelerating decline,’ he [sc. B. G. Niebuhr] writes, ‘is a very remarkable and mournful phenomenon.’

1937 Jrnl. Royal Afr. Soc. 36 22 The extra pressure upon the area, brought about by an increase in population, will result in an accelerating degradation of the forest.

1979 J. Carter in Public Papers Presidents U.S. 155/1 In the midst of this accelerating change, America's choice lies between facing chaos or building with others a new foundation.

2008 New Scientist 19 Jan. 29/3 An accelerating observer measures a temperature associated with something known as Unruh radiation.