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Meaning of RADIANT

Pronunciation:  'reydeeunt

WordNet Dictionary
[adj]  radiating or as if radiating light; "the beaming sun"; "the effulgent daffodils"; "a radiant sunrise"; "a refulgent sunset"

RADIANT is a 7 letter word that starts with R.


 Synonyms: beaming, beamy, bright, effulgent, refulgent



Webster's 1913 Dictionary
  1. \Ra"di*ant\, a. (Physics)
    Emitted or transmitted by radiation; as, a radiant energy;
    radiant heat.
  2. \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.
  3. \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.