RADIATION • FREE-TRANSLATOR.COM • Definition of Radiation

Translators

Dictionaries

Courses

Other

Home

Add this Dictionary
to your website!
See more options...

/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.

See more definitions of Radiation...

See images of 'Radiation'

Etymology of 'Radiation'

Related searches:

acoustic radiation pressure

corpuscular radiation

corpuscular-radiation pressure

cosmic background radiation

cosmic microwave background radiation

cosmic radiation

electromagnetic radiation

nonparticulate radiation

optic radiation

particulate radiation

Planck's radiation law

radio radiation

solar radiation

ultraviolet radiation

visible radiation

X-radiation

Share |

"Radiation" Quotes from Famous Books

... nature's own mysterious vitality. Hence, the sun's rays and the blaze of burning fuel give not only a material but a spiritual comfort and cheer, which mere warm air is powerless to impart. Here is another reason why direct radiation, even from a black iron pipe, is preferable to a current of warm air brought from a distance: in a room warmed by such a current nothing is ever quite so warm as the air itself unless so situated as to obstruct its flow, but every solid substance near a hot stove or radiator absorbs the radiated ...

— The House that Jill Built - after Jack's had proved a failure • E. C. Gardner

... felt a tingling electric shock. And he thought he could feel a radiation coming from it, giving him a curious sensation of cold. As he reached his hands up and grasped the upper edge of the great ring, he felt what seemed a physical ...

— Astounding Stories, July, 1931 • Various

... It's not hot and it's not cold. When you're in the sunlight you get warm. It's better in the shade. You don't lose any heat by air convection, but radiation and sweat evaporation keep you ...

— Sjambak • John Holbrook Vance

... produced—liquid air. The latter is surrounded by the only yet colder medium, liquid hydrogen, so that no heat can reach it. Under these circumstances, the radium still gives out heat, boiling away the liquid air until the latter has entirely disappeared. Instead of the radiation diminishing with time, it rather seems ...

— Side-lights on Astronomy and Kindred Fields of Popular Science • Simon Newcomb

... matter, gave me a written report on the non- success (up to the present time) of his endeavours to establish communication. He thinks that the proximity of the Magnetic Pole and Aurora Australis might affect things. The radiation is good and sufficient for normal conditions. His suggestion to lead the down lead wires out to the ahead and astern would increase scope, but I cannot countenance it owing to unsettled state of ice and ...

— South! • Sir Ernest Shackleton

More quotes...