Found 2 items, similar to Radiant energy.
English → English (WordNet) Definition: radiant energy radiant energy n : energy that is transmitted in the form of (electromagnetic) radiation; energy that exists in the absence of matter
English → English (gcide) Definition: Radiant energy Radiant \Ra"di*ant\ (r[=a]"d[i^]*ant), a. [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. Emitting or proceeding as from a center; resembling rays; radiating; radiate. [1913 Webster] 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. [1913 Webster] Mark what radiant state she spreads. --Milton. [1913 Webster] 3. Beaming with vivacity and happiness; as, a radiant face. [1913 Webster] 4. (Her.) Giving off rays; -- said of a bearing; as, the sun radiant; a crown radiant. [1913 Webster] 5. (Bot.) Having a raylike appearance, as the large marginal flowers of certain umbelliferous plants; -- said also of the cluster which has such marginal flowers. [1913 Webster] 6. (Physics) Emitted or transmitted by radiation; as, a radiant energy; radiant heat. [Webster 1913 Suppl.] Radiant energy (Physics), energy given out or transmitted by radiation, as in the case of light and radiant heat. Radiant heat, heat proceeding in right lines, or directly from the heated body, after the manner of light, in distinction from heat conducted or carried by intervening media. Radiant point. (Astron.) See Radiant, n., 3. [1913 Webster]