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radiation

ra·di·a·tion

radiation

 
 
pronunciation:
reI di eI shn
features:
Word Combinations (noun), Word Explorer
part of speech: noun
definition 1: the emission of particles or waves of energy, as by radioactive material or by electrical circuits or devices.
Many are concerned about toxic radiation from nuclear waste.A hat gives some protection from the sun's radiation.
definition 2: the act of radiating.
definition 3: something that is radiated.
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derivation: radiational (adj.)
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  light