| 单词 | radiant |
| 释义 | radiant —radiantly, adv. /ray"dee euhnt/, adj. 1. emitting rays of light; shining; bright: the radiant sun; radiant colors. 2. bright with joy, hope, etc.: radiant smiles; a radiant future. 3. Physics. emitted or propagated by radiation. 4. Heraldry. a. noting a partition line having a series of flamelike indentations formed by ogees joined in zigzags; rayonny. b. (of a charge, as an ordinary) having an edge or edges so formed. n. 5. a point or object from which rays proceed. 6. Astron. the point in the heavens from which a shower of meteors appears to radiate. 7. a refractory absorbing and radiating heat from the flames of a gas fireplace or the like. [1400-50; late ME < L radiant- (s. of radians, prp. of radiare to radiate light, shine), equiv. to radi(us) beam, ray (see RADIUS) + -ant- -ANT] Syn. 1. beaming, refulgent, resplendent. See bright. Ant. 1. dim. |
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