1750 Ld. Chesterfield Let. 8 Mar. (1932) (modernized text) IV. 1513 Play..is only the inter-acts of other amusements.

1831 Soc. Life Eng. & For. 181 The Aminta of Tasso, a complete pastoral drama, accompanied by choruses and interacts of music.

1873 E. FitzGerald Lett. (1889) I. 360 The Choruses..still serving to carry on the Subject of the Story in the way of Inter-act.

1908 Daily Chron. 3 July 3/5 At the ‘private’ or roofed theatres, the performance of interact music was the rule.

1909 Morning Leader 29 May 4/6 At the ‘private theatres’, such as the Blackfriars, they not only had interacts but interact music.

1852 P. J. Bailey Festus (ed. 5) 238 Is it not a fact That saints and demons ofttimes interact?

1856 R. W. Emerson Eng. Traits xiv. 259 The two..styles of mind..are ever in counterpoise, interacting mutually.

1871 J. Tyndall Fragm. Sci. (1879) II. vi. 83 The grain and the substances which surround it interact.

1967 J. M. Argyle Psychol. Interpersonal Behaviour viii. 144 Children and adolescents are very limited in their social techniques, and may be able to interact with other children, and parents, but not with other adults... Most mental patients apart from schizophrenics are able to interact, but are much less successful in forming permanent relationships.

1972 Jrnl. Social Psychol. 87 7 Very few Ss [sc. subjects] left their chair in order to interact with E [sc. the examiner]; those who did were ignored.

1855 G. Brimley Ess. (1858) i. 64 A more complex machinery of interacting events.

1873 J. A. Symonds Stud. Greek Poets ix. 295 A play of Shakspere or Goethe overwhelms us by the force and frequence of combined and interacting motives.