radiation

radiation
radiation [rā΄dē ā′shən]
n.
[L radiatio]
1. the act or process of radiating; specif., the process in which energy in the form of rays of light, heat, etc. is sent out through space from atoms and molecules as they undergo internal change
2. the rays sent out; radiant energy
3. radial arrangement of parts
4. Biol. ADAPTIVE RADIATION
5. Nuclear Physics energy emitted as electromagnetic waves, as gamma or X-rays, or as energetic nuclear particles, as neutrons, alpha and beta particles, etc.
radiational
adj.
radiative
adj.

English World dictionary. . 2014.

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Synonyms:
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Look at other dictionaries:

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  • Radiation — Ra di*a tion (r[=a] d[i^]*[=a] sh[u^]n), n. [L. radiatio: cf. F. radiation.] 1. The act of radiating, or the state of being radiated; emission and diffusion of rays of light; beamy brightness. [1913 Webster] 2. The shooting forth of anything from …   The Collaborative International Dictionary of English

  • radiation — Radiation. s. f. Terme de Finances. Raye que l on passe sur quelque article d un compte pour le rendre nul. Cet article est sujet à radiation. radiation de compte. on a fait plusieurs radiations sur ses comptes …   Dictionnaire de l'Académie française

  • radiation — (n.) 1550s, from L. radiationem (nom. radiatio) a shining, radiation, noun of action from radiare to beam, shine, from radius beam of light (see RADIUS (Cf. radius)) …   Etymology dictionary

  • radiation — radiation. См. радиация. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • Radiation — (lat.), Strahlung, in der Astronomie und Meteorologie gewöhnlich für die Strahlung der Sonne gebraucht; Weiteres s. Sonne und Insolation. Durchstreichung eines Rechnungspostens mit sich kreuzenden Strichen …   Meyers Großes Konversations-Lexikon

  • Radiation — Radiation, vgl. Geothermik …   Lexikon der gesamten Technik

  • Radiation — Radiatiōn (lat.), Strahlung, insbes. Sonnenstrahlung (s.d.); auch Durchstreichung mit sich kreuzenden Strichen …   Kleines Konversations-Lexikon

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