Radiation

What does RADIATION mean?

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”

4. noun

   the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay

Definitions from WordNet 3.1, Princeton University.