rare. [ad. L. *lūminātiōn-em, n. of action f. lūmināre: see prec.] A shedding or emission of light. † Also concr. an illumination (cf. LUMINARY sb. 2).
1654. trans. Scuderys Curia Pol., D j b. The glory of terrestrial Soveraignty transcendeth inferiour lights and luminations.
1709. Proclamation, in K. Steuart, By Allan Water, iii. (1901), 104. The haill inhabitants to put out and mak luminations in the windows of their houses.
1794. J. Hutton, Philos. Light, etc., 291. Most powerful for exciting heat, proportionally to its lumination.
1858. Motley, Dutch Rep., Hist. Introd. VII. 39. The liberty of the Netherlands, notwithstanding several brilliant but brief luminations, seemed to remain in almost perpetual eclipse.