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- pronunciation:
- reI
di
eI
sh
 n
- 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.
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| definition 3: |
something that is radiated.
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| related words: |
glow |
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| derivation: |
radiational (adj.) |
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