ruborn.

?a1450 J. Arderne in 17th Internat. Congr. Med. (1914) xxiii. 112 (MED) [A swollen leg] was with rubore and huge brennynge so that he myght not stande.

1604 Abp. G. Abbot Reasons Dr. Hill Vnmasked x. 366 You would blush a whole yeare togither at this your owne absurdity, and by that time woulde this rubour bee so setled in your face, that it would never out.

1657 R. Tomlinson tr. J. de Renou Physical Inst. v, in Medicinal Dispensatory sig. Dd4^v The Sinapism..should be often looked at, to see if it have contracted rubour enough by its admotion.

a1734 R. North Examen (1740) iii. vii. §78 563 Mr. Justice Jones,..when much offended, often shewed his Heats in a Rubor of his Countenance.

1794 S. T. Coleridge Let. 26 Sept. (1895) I. 87 He is obliged to drink three bottles of claret a day in order to acquire a stationary rubor.

1825 Med. Adviser 12 Feb. 103/1 It stops hemorrhages, diarhœas [sic], fluor albus, and rubor, with certain weakness, and even a gonorrhœa.

1855 Assoc. Med. Jrnl. 29 June 606/2 Rubor, tremor, dolor, etc., the consequences of a cause in operation elsewhere.

1907 Internat. Studio Oct. p. cxiv There may be a fox-hunting squire somewhere about the place, but we can be sure that he will moderate..the rubor of his countenance in these surroundings.

1940 Brit. Med. Jrnl. 7 Dec. 782/2 A reddish discoloration of the skin appears... This rubor is of a dark brick-red colour, and is more evident in the dependent position.

1993 Brit. Jrnl. Surg. 80 705/1 Classically, a triphasic colour change is observed: blanching, then cyanosis and finally rubor.

2004 Times Lit. Suppl. 9 Apr. 30/3 Suppression of the ‘tumor, rubor, calor and dolor’ (swelling, redness, heat and pain) that..represent the body's marshalling its resources to fight infection.