radiant

[ rey-dee-uhnt ]
/ ˈreɪ di ənt /

adjective

emitting rays of light; shining; bright: the radiant sun; radiant colors.
bright with joy, hope, etc.: radiant smiles; a radiant future.
Physics. emitted or propagated by radiation.
Heraldry.
  1. noting a partition line having a series of flamelike indentations formed by ogees joined in zigzags; rayonny.
  2. (of a charge, as an ordinary) having an edge or edges so formed.

noun

Origin of radiant

1400–50; late Middle English < Latin radiant- (stem of radiāns, present participle of radiāre to radiate light, shine), equivalent to radi(us) beam, ray (see radius) + -ant- -ant

synonym study for radiant

1. See bright.

OTHER WORDS FROM radiant

Example sentences from the Web for radiant

British Dictionary definitions for radiant

radiant
/ (ˈreɪdɪənt) /

adjective

noun

a point or object that emits radiation, esp the part of a heater that gives out heat
astronomy the point in space from which a meteor shower appears to emanate

Derived forms of radiant

radiantly, adverb

Word Origin for radiant

C15: from Latin radiāre to shine, from radius ray of light, radius

Medical definitions for radiant

radiant
[ rādē-ənt ]

adj.

Emitting heat or light.
Consisting of or emitted as radiation.

n.

A point from which light radiates to the eye.

Scientific definitions for radiant

radiant
[ rādē-ənt ]

Adjective

Transmitting light, heat, or other radiation. Stars, for example, are radiant bodies.
Consisting of or transmitted as radiation.

Noun

The apparent celestial origin of a meteor shower. For example, a point in the constellation Gemini is the radiant of the Geminid meteor shower.