Radiant point
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.

Look at other dictionaries:

  • radiant point — noun : radiant b …   Useful english dictionary

  • 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 — 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.… …   The Collaborative International Dictionary of English

  • Radiant energy — 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;… …   The Collaborative International Dictionary of English

  • Radiant heat — 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;… …   The Collaborative International Dictionary of English

  • 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 (meteor shower) — The radiant or apparent radiant of a meteor shower is the point in the sky, from which (to a planetary observer) meteors appear to originate. The Perseids, for example, are meteors which appear to come from a point within the constellation of… …   Wikipedia

  • radiant — 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 …   Useful english dictionary

  • radiant — Synonyms and related words: 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,… …   Moby Thesaurus

  • Radiant Historia — Développeur Atlus Concepteur Mitsuru Hirata (producteur) Hiroshi Konishi (character designer) Satoshi Takayashiki (game designer) Yoko Shimomura (compositeur) Date de sortie …   Wikipédia en Français

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