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1 radiation

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

Roget 291: divergence, divergency; divarication, ramification, forking; radiation; separation etc. (disjunction) 44; dispersion etc. 73; deviation ... show more

Dutch: straling
Polish: promieniowanie, radiacja

2 radiation

The act of spreading outward from a central source.

Dutch: eradiatie, irradiatie, uitstraling

3 radiation

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.

synonyms: radiation sickness, radiation syndrome.

Dutch: stralingsziekte
Polish: choroba popromienna, choroba promienna

4 radiation

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

synonym: radioactivity.

Roget 384: increase of temperature; heating etc. v.; calefaction, tepefaction, torrefaction; melting, fusion; liquefaction etc. 335; burning etc. ... show more

Dutch: radioactiviteit
Polish: promieniotwórczość, radioaktywność

5 radiation

The spread of a group of organisms into new habitats.

6 radiation

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

7 radiation

medicine The treatment of disease (especially cancer) by exposure to a radioactive substance.

synonyms: actinotherapy, irradiation, radiation therapy, radiotherapy.

Roget 420: light, ray, beam, stream, gleam, streak, pencil; sunbeam, moonbeam; aurora.    day; sunshine; light of day, light of heaven; ... show more

Dutch: bestraling, irradiatie, radiotherapie
Polish: napromienienie, napromieniowanie

Moby thesaurus: X ray, actinic ray, actinism, arc lighting, asteroids, atomic beam, atomic ray, attenuation, aurora particles, beam, beam of light, black and white, blackout, broadcast, broadcasting, chiaroscuro, circumfusion, contrast, cosmic particles, cosmic ray bombardment ... show more.

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