> as lemmas

1817 S. T. Coleridge Biogr. Lit. 63 In any given perception there is a something which has been communicated to it [the mind] by an impact, or an impression ab extra.

1874 W. Stubbs Constit. Hist. I. i. 7 The impact of barbarian conquest split up the unity of the Latin tongue.

1946 Sat. Rev. Lit. (U.S.) 28 Dec. 15/1 The impact of the images, their skilful juxtaposition, and the bold page lay~outs make words superfluous.

1952 B. Russell (title) The impact of science upon society.

1958 Church Times 8 Aug. 7/1 The story..is presented by means of narrative and dramatic episodes in a manner familiar to all radio-listeners, but it is the lighting which makes the great impact.

1965 Listener 26 Aug. 297/1 However much you give them, you are not going to make a significant impact on growth, though you may make an impact in the charitable sense.

1966 Economist 10 Dec. 1144/3 What has had an impact on food distributors, apparently, is the opening of an investigation by the Federal Trade Commission into supermarket games and stamps.

1967 E. Short Embroidery & Fabric Collage i. 18 The most dynamic colour combination if used too often loses its impact.

1969 Ld. Mountbatten in Times 13 Oct. (India Suppl.) p. i/1 He [sc. Gandhi] made such an impact on me that his memory will forever remain fresh in my mind.

1973 Daily Tel. 5 Mar. 6/2 The main impact of the campaign will be made by full-page newspaper advertisements.