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radiant

3 syllables
adjectivenoun
Quick answer

As an adjective, radiant means radiating light and/or heat. As a noun, it means a point source from which radiation is emitted.

Meanings of radiant

10 meanings

adjective

  1. Radiating light and/or heat.

    “the radiant sun”

  2. Emitted as radiation.

  3. Beaming with vivacity and happiness.

    “a radiant face”

  4. Strikingly beautiful.

  5. Emitting or proceeding as if from a center.

  6. heraldryGiving off rays; said of a bearing.

    “the sun radiant;  a crown radiant”

  7. botanyHaving a ray-like appearance, like the large marginal flowers of certain umbelliferous plants; said also of the cluster which has such marginal flowers.

noun

  1. A point source from which radiation is emitted.

  2. astronomyThe apparent origin, in the night sky, of a meteor shower.

  3. geometryA straight line proceeding from a given point, or fixed pole, about which it is conceived to revolve.

Meanings from Wiktionary (CC BY-SA 4.0) and Open English WordNet (CC BY 4.0).

Synonyms by meaning

adjective: radiating or as if radiating light
beamingbeamyeffulgentrefulgent

Words that rhyme with radiant

gradient

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Nearby words

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