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Radiation

Spanish
English

radiation
N

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English Definitions

radiation
N
energy that is radiated or transmitted in the form of rays or waves or particles
radiation
N
the act of spreading outward from a central source
radiation
N
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
radiation
N
the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay
radiation
N
the spread of a group of organisms into new habitats
radiation
N
a radial arrangement of nerve fibers connecting different parts of the brain
radiation
N
(medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance
radiation diagram
N
graphical representation (in polar or Cartesian coordinates) of the spatial distribution of radiation from an antenna as a function of angle
radiation field
N
a field that represents the energy lost from the radiator to space
radiation pattern
N
graphical representation (in polar or Cartesian coordinates) of the spatial distribution of radiation from an antenna as a function of angle
radiation pressure
N
the minute pressure exerted on a surface normal to the direction of propagation of a wave
radiation pyrometer
N
a pyrometer for estimating the temperature of distant sources of heat; radiation is focussed on a thermojunction connected in circuit with a galvanometer
radiation sickness
N
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
radiation syndrome
N
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
radiation therapy
N
(medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance
English Definitions from WordNet 3.0
Copyright 2006 by Princeton University. All rights reserved.

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