Definition of radian

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Radian (n.) An arc of a circle which is equal to the radius, or the angle measured by such an arc..

Lern More About Radian

Beaming :: Beaming (a.) Emitting beams; radiant.
Constellate :: Constellate (v. t.) To unite in one luster or radiance, as stars..
Diathermaneity :: Diathermaneity (n.) The property of transmitting radiant heat; the quality of being diathermous.
Shining :: Shining (a.) Emitting light, esp. in a continuous manner; radiant; as, shining lamps; also, bright by the reflection of light; as, shining armor..
Constellate :: Constellate (v. i. ) To join luster; to shine with united radiance, or one general light..
Irradiation :: Irradiation (n.) Illumination; irradiance; brilliancy.
Irradiance :: Irradiance (n.) Alt. of Irradianc.
Radiancy :: Radiancy (n.) The quality of being radiant; brilliancy; effulgence; vivid brightness; as, the radiance of the sun..
Ray :: Ray (n.) A line of light or heat proceeding from a radiant or reflecting point; a single element of light or heat propagated continuously; as, a solar ray; a polarized ray..
Radiant :: Radiant (a.) Giving off rays; -- said of a bearing; as, the sun radiant; a crown radiant..
Beamful :: Beamful (a.) Beamy; radiant.
Beamingly :: Beamingly (adv.) In a beaming manner; radiantly.
Radiance :: Radiance (n.) Alt. of Radianc.
Radiant :: Radiant (a.) Emitting or proceeding as from a center; resembling rays; radiating; radiate.
Beamy :: Beamy (a.) Emitting beams of light; radiant; shining.
Radiometer :: Radiometer (n.) An instrument designed for measuring the mechanical effect of radiant energy.
Radian :: Radian (n.) An arc of a circle which is equal to the radius, or the angle measured by such an arc..
Radiant :: Radiant (n.) The point in the heavens at which the apparent paths of shooting stars meet, when traced backward, or whence they appear to radiate..
Refulgency :: Refulgency (n.) The quality of being refulgent; brilliancy; splender; radiance.
Bolometer :: Bolometer (n.) An instrument for measuring minute quantities of radiant heat, especially in different parts of the spectrum; -- called also actinic balance, thermic balance..
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