RADIATION • DICCIONARIO INGLES.COM • Definition of Radiation

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/rˌeɪdiˈeɪʃən/ Listen

Radiation

noun

Energy that is radiated or transmitted in the form of rays or waves or particles.

The act of spreading outward from a central source.

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. Synonyms: radiation sickness, radiation syndrome.

The spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay. Synonym: radioactivity.

The spread of a group of organisms into new habitats.

A radial arrangement of nerve fibers connecting different parts of the brain.

(medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance. Synonyms: actinotherapy, irradiation, radiation therapy, radiotherapy.

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"Radiation" Quotes from Famous Books

... not such as rises and falls upon waves of life and mortality, not such as sinks and swells by undulations of time, but a procession—an emanation from some mystery of endless dawn. You durst not call it a smile that radiated from the lips; the radiation was too awful to clothe itself in ...

— Narrative And Miscellaneous Papers • Thomas De Quincey

... back to our imaginary switchboard we should find a switch, between the heat and the light switches, labeled RADIATION. Suppose we turn ...

— Common Science • Carleton W. Washburne

... known to be due to the absorption of the rays emitted by the vapor by the partially cooled envelope of its own substance which surrounds it. The effect is the same in kind as the absorption by cold carbonic acid of the heat emitted by a carbonic oxide flame. For most sources of radiation carbonic acid is one of the most transparent of gases; for the radiation from the hot carbonic acid produced in the carbonic oxide flame it is the most opaque ...

— Scientific American Supplement, Vol. XV., No. 388, June 9, 1883 • Various

... above surrounding objects, should be as straight as possible throughout its length, and should be as smooth as possible inside, to avoid friction. As a draught is caused by unequal temperatures, the chimney should be so arranged as to avoid a rapid radiation of heat. If in an exterior wall there should be at least 8 inches of brickwork between the flue and the exterior surface. For country houses it is much better to have the chimneys run up through the interior, as the flue is more easily kept warm, and the heat that ...

— Scientific American, Volume 40, No. 13, March 29, 1879 • Various

... humanity is concerned. No doubt there are certain other planets besides the earth, and they will receive quantities of heat to the extent of a few cents more. It must, however, be said that the stupendous volume of solar radiation passes off substantially untaxed into space, and what may actually there become of it science ...

— McClure's Magazine December, 1895 • Edited by Ida M. Tarbell

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