Radiant

Radiant
Radiant Ra"di*ant (r[=a]"d[i^]*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; resembling rays; radiating; radiate. [1913 Webster]

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. [1913 Webster]

Mark what radiant state she spreads. --Milton. [1913 Webster]

3. Beaming with vivacity and happiness; as, a radiant face. [1913 Webster]

4. (Her.) Giving off rays; -- said of a bearing; as, the sun radiant; a crown radiant. [1913 Webster]

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. [1913 Webster]

6. (Physics) Emitted or transmitted by radiation; as, a radiant energy; radiant heat. [Webster 1913 Suppl.]

{Radiant energy} (Physics), energy given out or transmitted by radiation, as in the case of light and radiant heat.

{Radiant heat}, 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. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • radiant — radiant, iante [ radjɑ̃, jɑ̃t ] adj. • XIIIe; lat. radians 1 ♦ Vx Rayonnant. ♢ (1896) Mod. Sc. Qui rayonne, émet des radiations. Chaleur radiante. L activité radiante de l uranium. ⇒ radioactivité. 2 ♦ (1867) Astron. Point radiant, et subst. le… …   Encyclopédie Universelle

  • radiant — RADIÁNT, Ă, radianţi, te, adj. 1. (Despre energie) Care se răspândeşte prin radiaţii. 2. (Despre corpuri) Care emite radiaţii, lumină etc.; care radiază. [pr.: di ant] – Din fr. radiant. Trimis de claudia, 13.09.2007. Sursa: DEX 98  radiánt adj …   Dicționar Român

  • Radiant — may refer to: * Radiant (meteor shower), the apparent origin point of meteors in a meteor shower * , an archangel in Magic: The Gathering * Radiant heat * Radiant Records, a record label * Radiant (software), a Content management system *… …   Wikipedia

  • Radiant — steht für: Radiant (Einheit), Einheit für ebene Winkel Radiant (Astronomie), virtueller Ausgangspunkt einer Meteorerscheinung GtkRadiant, Editor für Spiele, welche auf der Quake Engine basieren Radiant (CMS), ein webbasiertes Content Management… …   Deutsch Wikipedia

  • radiant — [rā′dēənt] adj. [L radians, prp. of radiare: see RADIATE] 1. sending out rays of light; shining brightly 2. filled with light; bright [a radiant morning] 3. showing pleasure, love, well being, vitality, etc.; beaming [a radiant smile] 4. issuing… …   English World dictionary

  • radiant — radiant, ante (ra di an, an t ) adj. 1°   Terme didactique. Qui s étend en rayonnant. Chaleur radiante.    Point radiant, point d où certaines choses émanent en forme de rayons. Les points radiants des étoiles filantes, les points du ciel d où… …   Dictionnaire de la Langue Française d'Émile Littré

  • radiant — (adj.) mid 15c., from M.Fr. radiant, from L. radiantem (nom. radians) shining, prp. of radiare to beam, shine (see RADIATION (Cf. radiation)). Of beauty, etc., first attested c.1500 …   Etymology dictionary

  • radiant — [adj1] bright, luminous beaming, brilliant, effulgent, gleaming, glittering, glorious, glowing, incandescent, lambent, lucent, lustrous, radiating, refulgent, resplendent, shining, sparkling, sunny; concept 617 Ant. cloudy, dark, dim, dull… …   New thesaurus

  • radiant — ► ADJECTIVE 1) shining or glowing brightly. 2) emanating great joy, love, or health. 3) (of electromagnetic energy, especially heat) transmitted by radiation, rather than conduction or convection. 4) (of an appliance) emitting radiant energy for… …   English terms dictionary

  • Radiant — Ra di*ant, n. 1. (Opt.) The luminous point or object from which light emanates; also, a body radiating light brightly. [1913 Webster] 2. (Geom.) A straight line proceeding from a given point, or fixed pole, about which it is conceived to revolve …   The Collaborative International Dictionary of English

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