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radial symmetry
radial tire
radial type
radial vein
radial velocity
radial-ply tire
radially symmetrical
radiant energy
Radiant engine
radiant exposure
radiant flux
radiant heat
radiant heating
Radiant point

Radiant definitions

Webster's 1828 Dictionary

RA'DIANT, a. Shooting or darting rays of light; beaming with brightness; emitting a vivid light or splendor; as the radiant sun.
Mark what radiant state she spreads.
Radiant in glittering arms and beamy pride.
RA'DIANT, n. In optics, the luminous point or object from which light emanates, that falls on a mirror or lens.

WordNet (r) 3.0 (2005)

1: radiating or as if radiating light; "the beaming sun"; "the effulgent daffodils"; "a radiant sunrise"; "a refulgent sunset" [syn: beaming, beamy, effulgent, radiant, refulgent]

Merriam Webster's

I. adjective Date: 15th century 1. a. radiating rays or reflecting beams of light b. vividly bright and shining ; glowing 2. marked by or expressive of love, confidence, or happiness <a radiant smile> 3. a. emitted or transmitted by radiation b. emitting or relating to radiant heat Synonyms: see bright radiantly adverb II. noun Date: circa 1741 something that radiates: as a. a point in the heavens at which the visible paths of meteors appear to meet when traced backward b. the part of a gas or electric heater that becomes incandescent

Oxford Reference Dictionary

adj. & n. --adj. 1 emitting rays of light. 2 (of eyes or looks) beaming with joy or hope or love. 3 (of beauty) splendid or dazzling. 4 (of light) issuing in rays. 5 operating radially. 6 extending radially; radiating. --n. 1 the point or object from which light or heat radiates, esp. in an electric or gas heater. 2 Astron. a radiant point. Phrases and idioms: radiant heat heat transmitted by radiation, not by conduction or convection. radiant heater a heater that works by this method. radiant point 1 a point from which rays or radii proceed. 2 Astron. the apparent focal point of a meteor shower. Derivatives: radiance n. radiancy n. radiantly adv. Etymology: ME f. L radiare (as RADIUS)

Webster's 1913 Dictionary

Radiant Ra"di*ant, a. (Physics) Emitted or transmitted by radiation; as, a radiant energy; radiant heat.

Webster's 1913 Dictionary

Radiant Ra"di*ant, n. 1. (Opt.) The luminous point or object from which light emanates; also, a body radiating light brightly. 2. (Geom.) A straight line proceeding from a given point, or fixed pole, about which it is conceived to revolve. 3. (Astron.) The point in the heavens at which the apparent paths of shooting stars meet, when traced backward, or whence they appear to radiate.

Webster's 1913 Dictionary

Radiant Ra"di*ant, a. [L. radians, -antis, p. pr. of radiare to emit rays or beams, fr. radius ray: cf. F. radiant. See Radius, Ray a divergent line.] 1. Emitting or proceeding as from a center; [U.S.] rays; radiating; radiate. 2. Especially, emitting or darting rays of light or heat; issuing in beams or rays; beaming with brightness; emitting a vivid light or splendor; as, the radiant sun. Mark what radiant state she spreads. --Milton. 3. Beaming with vivacity and happiness; as, a radiant face. 4. (Her.) Giving off rays; -- said of a bearing; as, the sun radiant; a crown radiant. 5. (Bot.) Having a raylike appearance, as the large marginal flowers of certain umbelliferous plants; -- said also of the cluster which has such marginal flowers. Radiant energy (Physics), energy given out or transmitted by radiation, as in the case of light and radiant heat. Radiant heat, proceeding in right lines, or directly from the heated body, after the manner of light, in distinction from heat conducted or carried by intervening media. Radiant point. (Astron.) See Radiant, n., 3.

Collin's Cobuild Dictionary

1. Someone who is radiant is so happy that their happiness shows in their face. On her wedding day the bride looked truly radiant. ADJ radiantly He smiled radiantly and embraced her... ADV 2. Something that is radiant glows brightly. The evening sun warms the old red brick wall to a radiant glow. ADJ radiantly The sun was still shining radiantly. ADV

International Standard Bible Encyclopedia

ra'-di-ant (nahar, "to sparkle" i.e. (figurative) be cheerful; hence (from the sheen of a running stream), to flow, i.e. (figurative) assemble; flow (together), be lightened): the American Standard Revised Version substitutes the active "radiant" for the passive "were lightened" in Ps 34:5; Isa 60:5 (English Revised Version, the King James Version "flow together"). As the earth and moon, both being dark, face a common sun and lighten each other, they are not only lightened, but radiant. So with the believers, "They looked unto him (Yahweh), and were radiant." Thus nahar combines the two ideas of being lightened and flowing together. This appears, also, in a different connection, in Isa 60:5, "Then thou shalt see and be radiant." "It is liquid light--light that ripples and sparkles and runs across the face; .... the light which a face catches from sparkling water" (G.A. Smith, Isaiah, II, 430).

M. O. Evans

Soule's Dictionary of English Synonyms

a. 1. Beaming, shining, brilliant, splendid, resplendent, effulgent, sparkling, lustrous, glittering, luminous, glorious. 2. (Bot.) Radiate.

Moby Thesaurus

ablaze, aerolite, aglow, alight, all-knowing, all-powerful, all-seeing, all-wise, almighty, arbor, axis, axle, axle bar, axle shaft, axle spindle, axle-tree, beaming, beamy, beatific, beatified, blazing, blessed, blissful, blithe, blithesome, blooming, blushing, bolide, boundless, bright, bright and sunny, brilliant, bubbling, bubbly, burning, candescent, capering, changeless, charismatic, cheerful, cheery, chirping, chondrite, coruscating, cosmic dust, creating, creative, dancing, dazzling, delighted, devastating, distaff, divine, ecstatic, effulgent, elated, eternal, eternally the same, eupeptic, euphoric, everlasting, exalted, exhilarated, exultant, fireball, flushed, flushed with joy, flushing, fulcrum, fulgent, gay, genial, gimbal, glad, gladsome, glamorous, gleaming, gleamy, gleeful, glinting, glistening, glittering, glorious, glossy, glowing, good, gorgeous, gudgeon, hallowed, happy, heavenly, high, highest, hinge, hingle, holy, hopeful, hub, illuminant, illustrious, immortal, immutable, in good spirits, in heaven, in high spirits, in seventh heaven, incandescent, infinite, irradiative, irrepressible, joyful, joyous, jubilant, just, killing, lambent, lamping, laughing, leaping, light as day, limitless, loving, lucent, luciferous, lucific, luciform, luminant, luminative, luminiferous, luminificent, luminous, lustrous, magic, majestic, making, mandrel, merciful, meteor, meteor crater, meteor dust, meteor shower, meteor swarm, meteor trail, meteor train, meteoric shower, meteorite, meteoroid, meteorolite, micrometeorite, micrometeoroid, nave, numinous, oarlock, of good cheer, omnipotent, omnipresent, omniscient, on cloud nine, one, optimistic, orient, overjoyed, permanent, perpetual, phosphorescent, pin, pintle, pivot, pleasant, pole, purring, radiant point, rapturous, raving, ravishing, refulgent, resplendent, rhapsodic, riant, rosy, rowlock, rutilant, rutilous, sacred, sanguine, sanguineous, scintillating, shaping, shimmering, shining, shiny, shooting star, siderite, siderolite, singing, smiling, smirking, sovereign, sparkling, spindle, splendent, splendid, splendorous, splendrous, starbright, starlike, starry, starry-eyed, streaming, stunning, sublime, suffused, sunny, sunshiny, supreme, swivel, tektite, thrice happy, timeless, trunnion, twinkling, ubiquitous, unbounded, unchanging, undefined, unlimited, winsome


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