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Lucid :: Lucid (n.) Bright with the radiance of intellect; not darkened or confused by delirium or madness; marked by the regular operations of reason; as, a lucid interval..

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..

Actinism :: Actinism (n.) The property of radiant energy (found chiefly in solar or electric light) by which chemical changes are produced, as in photography..

Radiant :: Radiant (a.) Emitting or proceeding as from a center; resembling rays; radiating; radiate.

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..

Irradiant :: Irradiant (a.) Irradiating or illuminating; as, the irradiant moon..

Radiant :: Radiant (a.) Having a raylike appearance, as the large marginal flowers of certain umbelliferous plants; -- said also of the cluster which has such marginal flowers..

Eradiation :: Eradiation (n.) Emission of radiance.

Radiant :: Radiant (n.) The luminous point or object from which light emanates; also, a body radiating light brightly..

Radiomicrometer :: Radiomicrometer (n.) A very sensitive modification or application of the thermopile, used for indicating minute changes of radiant heat, or temperature..

Radiance :: Radiance (n.) Alt. of Radianc.

Refulgent :: Refulgent (a.) Casting a bright light; radiant; brilliant; resplendent; shining; splendid; as, refulgent beams..

Beamy :: Beamy (a.) Emitting beams of light; radiant; shining.

Refulgency :: Refulgency (n.) The quality of being refulgent; brilliancy; splender; radiance.

Athermancy :: Athermancy (n.) Inability to transmit radiant heat; impermeability to heat.

Diathermanous :: Diathermanous (a.) Having the property of transmitting radiant heat; diathermal; -- opposed to athermanous.

Irradiation :: Irradiation (n.) Illumination; irradiance; brilliancy.

Beamful :: Beamful (a.) Beamy; radiant.

Nimbus :: Nimbus (n.) A circle, or disk, or any indication of radiant light around the heads of divinities, saints, and sovereigns, upon medals, pictures, etc.; a halo. See Aureola, and Glory, n., 5..

Radious :: Radious (a.) Radiating; radiant.

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