radiation, n.
(radiations)
freq. cnt. 46
(radiations)
freq. cnt. 46
energy that is radiated or transmitted in the form of rays or waves or particles
<noun.phenomenon> freq. cnt.: 31 freq. cnt.: 31
radiation
lexical pointers
derivationally related form
semantic pointers
hyponym
ionizing radiation
cosmic radiation
electromagnetic radiation, electromagnetic wave, nonparticulate radiation
solar radiation
hypernym
the act of spreading outward from a central source
<noun.act> freq. cnt.: 15 freq. cnt.: 15
radiation
lexical pointers
derivationally related form
(medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance
<noun.act>
actinotherapy irradiation radiation radiation therapy radiotherapy
lexical pointers
derivationally related form
semantic pointers
hypernym
domain of synset (topic)
hyponym
a radial arrangement of nerve fibers connecting different parts of the brain
<noun.body>
radiation
lexical pointers
derivationally related form
semantic pointers
hypernym
the spread of a group of organisms into new habitats
<noun.event>
radiation
lexical pointers
derivationally related form
semantic pointers
hypernym
hyponym
the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay
<noun.process>
radiation radioactivity
lexical pointers
derivationally related form
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
<noun.state>
radiation radiation sickness radiation syndrome