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TWL/NWL (Scrabble US/CA/TH)
SOWPODS/CSW (Scrabble UK / ALL)
ENABLE (Words with Friends)

Meaning of radiation

1 definition found

From WordNet (r) 3.0 (2006) [wn]:

  radiation
      n 1: energy that is radiated or transmitted in the form of rays
           or waves or particles
      2: the act of spreading outward from a central source
      3: syndrome resulting from exposure to ionizing radiation (e.g.,
         exposure to radioactive chemicals or to nuclear explosions);
         low doses cause diarrhea and nausea and vomiting and
         sometimes loss of hair; greater exposure can cause sterility
         and cataracts and some forms of cancer and other diseases;
         severe exposure can cause death within hours; "he was
         suffering from radiation" [syn: {radiation sickness},
         {radiation syndrome}, {radiation}]
      4: the spontaneous emission of a stream of particles or
         electromagnetic rays in nuclear decay [syn: {radiation},
         {radioactivity}]
      5: the spread of a group of organisms into new habitats
      6: a radial arrangement of nerve fibers connecting different
         parts of the brain
      7: (medicine) the treatment of disease (especially cancer) by
         exposure to a radioactive substance [syn: {radiotherapy},
         {radiation therapy}, {radiation}, {actinotherapy},
         {irradiation}]

Source : WordNet ® Princeton University. 2010.

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OCTWL / TWL : The official dictionary for scrabble game in United States, Canada and Thailand.
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