Darting, shooting, or emitting rays of light or heat; shining; sparkling: beaming with brightness, literally or figuratively: as, the radiant sun; a radiant countenance. Mark, what radiant state she spreads. Milton, Arcades, l. 14.A sudden star, it shot through liquid air, And drew behind a radiant trail of hair. Pope, R. of the L., v. 128.His features radiant as the soul within. O. W. Holmes, Vestigia Quinque Retrorsum.
Giving out rays; proceeding in the form of rays; resembling rays; radiating; also, radiated; radiate: as, radiant heat. Jonas … made him a shadowynge place for his defence agaynst the radyaunt heet of the sonne in the syde of an hyll. Bp. Fisher, Seven Penitential Psalms, Ps. cxxx.The passage of radiant heat, as such, through any medium does not heat it at all. W. L. Carpenter, Energy in Nature (1st ed.), p. 45.When this [radiation of fibers] takes place in an open cavity, producing brush-like forms, they are termed radiant.Encyc. Brit., XVI. 370.
Their eyes glowed with it; their faces were radiant, and auras of light coruscated around them.
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Aerie
Her beauty in the moonlight was radiant, her fear only enhanced her fragile loveliness.
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Test of the Twins
They had looked radiant, and would relish discussing each detail.
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Mary Queen Of Scotland And The Isles
And the weather of the summers when they were children always radiant, and the wild fruit they gathered then sweeter than any that grows now?
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Monk's Hood
" she asked him gently, and it was that vision of her he always remembered: her hair billowing in the wind, her expression radiant and hopeful, like that of an angel.
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Message in a Bottle
Early modern Englishradiaunt; from Old Frenchradiant, Frenchradiant = SpanishPortugueseradiante = Italianradiante, raggiante, from Latinradi-an (t-)s, present participle of radiare, radiate, shine: see radiate.