| RH | radiant heat; radiation hybrid; radiological health; reactive hyperemia; recurrent herpes; regulator... |
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| radiant | 1. Emitting or proceeding as from a center; 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. Giving off rays; said of a bearing; as, the sun radiant; a crown radiant. 5. <botany> Having a raylike appearance, as the large marginal flowers of certain umbelliferous plants; said also of the cluster which has such marginal flowers. <physics> Radiant energy See Radiant. Origin: 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. <optics> The luminous point or object from which light emanates; also, a body radiating light brightly. 2. <geometry> A straight line proceeding from a given point, or fixed pole, about which it is conceived to revolve. 3. <astronomy> The point in the heavens at which the apparent paths of shooting stars meet, when traced backward, or whence they appear to radiate. Source: Websters Dictionary (01 Mar 1998) |
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| radiant energy | Energy contained in light rays or any other form of radiation. (05 Mar 2000) |
| radiant heat | Heat given off from any body in the form of waves, similar to light waves but of greater wavelength. (05 Mar 2000) |
| radiant intensity | The luminous flux per unit solid angle in a given direction. Synonym: candle-power, radiant intensity. (05 Mar 2000) |
| radiant |
beaming: radiating or as if radiating light; "the beaming sun"; "the effulgent daffodils"; "a radiant sunrise"; "a refulgent sunset"
Ãâó: wordnet.princeton.edu/perl/webwn
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| radiant |
From earliest times, humankind has noticed flurries of meteors that seemed to emanate from particular points in the sky at particular times of the year. These flurries, now called meteor showers, are produced by small fragments of cosmic debris entering the earth's atmosphere at extremely high speed. Each time a periodic comet swings by the Sun, it produces large amounts of small particles which will eventually spread out along the entire orbit of the comet to form a meteoroid "stream". ...
Ãâó: en.wikipedia.org/wiki/Radiant
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| radiant |
A direction in the sky from which, by perspective, meteors appear to come if they share a common orbit.
Ãâó: www.geocities.com/vodickar/Glossary.html
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| radiant |
1. Pertaining to the emission or the measurement of electromagnetic radiation. Compare luminous. 2. In describing auroras, a projected point of intersection of lines drawn coincident with auroral streamers, that is, the point from which the aurora seems to originate.
Ãâó: amsglossary.allenpress.com/glossary/browse
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| radiant |
A radiant is the point in the sky from which a meteor shower seems to be coming. For example, the Geminids meteor shower seems to come from the constellation Gemini. RADIO ASTRONOMY Radio astronomy involves exploring space by examining radio waves from outer space. Radio astronomy was pioneered by Karl Gothe Jansky, who in1932 first detected radio waves from a cosmic source - in the central region of the Milky Way Galaxy. ...
Ãâó: www.enchantedlearning.com/subjects/astronomy/gloss...
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| radiant | radiating or as if radiating light |
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| radiant | energy that is transmitted in the form of (electromagnetic) radiation |
| radiant | the rate of flow of radiant energy (electromagnetic waves) |
| radiant | heating a building by radiation from panels containing hot water or electrical heaters |
| radiant | in a radiant manner |
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