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RADIATION

Definition:

1. [noun] energy that is radiated or transmitted in the form of rays or waves or particles
   
   
2. [noun] the act of spreading outward from a central source
   
   
3. [noun] 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"
   Synonyms: sickness, syndrome
   
   
4. [noun] the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay
   Synonyms: radioactivity
   
   
5. [noun] the spread of a group of organisms into new habitats
   
   
6. [noun] a radial arrangement of nerve fibers connecting different parts of the brain
   
   
7. [noun] (medicine) the treatment of disease (especially cancer) by exposure to radiation from a radioactive substance
   Synonyms: radiotherapy, therapy, actinotherapy, ir
   
   

Synonyms:

• Search for synonyms for RADIATION

Related Words:

• ionizing radiation
• cosmic radiation
• electromagnetic radiation, electromagnetic wave, nonparticulate radiation
• solar radiation
• bombardment
• corpuscular radiation, particulate radiation
• adaptive radiation
• phototherapy
• radium therapy, Curietherapy
• X-ray therapy

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