reactionaladj.

1839 J. Hope Treat. Dis. Heart & Great Vessels (ed. 3) 160 (note) [Incidental] circumstances attending pericarditis to which we must attribute an important participation in the reactional phenomena.

1848 Lancet 19 Feb. 205/1 The morbid reactional symptoms which I have occasionally observed after the administration of chloroform.

1897 M. L. Hughes Mediterranean Fever v. 207 This artificial reduction of temperature is followed by a slight reactional rise.

1923 P. Wilde Craftsmanship of One-act Play xv. 136 Mr. Cannan overcomes the obstacle..by placing his characters upon different reactional levels. James hotly resents the return of the ex-convict: John much less so.

1942 W. J. Humphreys Ways of Weather x. 245 Evidently there is some reactional push in as a result of the sudden expansion of the abruptly heated surrounding air.

1999 Marie Claire Health & Beauty Sept.–Oct. 88/2 We now recognise a third, more common form, called situational or reactional depression.

1856 J. Grote in Cambr. Ess. 87 Under certain circumstances the mind may be likely to move reactionally.

1934 Philos. Sci. 1 474 The ‘name’ of an objective reference, as being reactionally related to all the variously patterned reactions that this object has evoked from us, serves as an organizing center.

2006 T. Campbell Rights i. iv. 75 The implications of this critique split into widely divergent programmes for reform, sometimes reactionally conservative and sometimes radically socialist.