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).

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1654.  trans. Scudery’s Curia Pol., D j b. The glory of terrestrial Soveraignty … transcendeth … inferiour lights and luminations.

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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.

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1794.  J. Hutton, Philos. Light, etc., 291. Most powerful for exciting heat, proportionally to its lumination.

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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.

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