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radiation Twit Definition of radiation Share Definition of radiation on Facebook Digg:Definition of radiation! stumble Definition of radiation Bookmark Definition of radiation on Delicious submit Definition of radiation to reddit Bookmark Definition of radiation
noun 
  1. The shooting forth of anything from a point or surface, like the diverging rays of light; as, the radiation of heat.
  2. The process of radiating waves or particles.
  3. The transfer of energy via radiation (as opposed to convection or conduction)
  4. Radioactive energy
Translations: 
  • French: radiation
  • German: Strahlung
  • Italian: radiazione , irraggiamento
Etymology: Latin radiatio: compare with French radiation.

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