'Radiation' definitions:
Definition of 'radiation'
(from WordNet)
noun
Energy that is radiated or transmitted in the form of rays or waves or particles
noun
The act of spreading outward from a central source
noun
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" [syn: radiation sickness, radiation syndrome, radiation]
noun
The spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay [syn: radiation, radioactivity]
noun
The spread of a group of organisms into new habitats
noun
A radial arrangement of nerve fibers connecting different parts of the brain
noun
(medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance [syn: radiotherapy, radiation therapy, radiation, actinotherapy, irradiation]
Definition of 'Radiation'
From: GCIDE
- Radiation \Ra`di*a"tion\ (r[=a]`d[i^]*[=a]"sh[u^]n), n. [L. radiatio: cf. F. radiation.]
- 1. The act of radiating, or the state of being radiated; emission and diffusion of rays of light; beamy brightness. [1913 Webster]
- 2. The shooting forth of anything from a point or surface, like the diverging rays of light; as, the radiation of heat. [1913 Webster]
Synonyms of 'radiation'
From: Moby Thesaurus
- 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,
- decorative lighting,
- diffraction,
- diffusion,
- dilution,
- direct lighting,
- dispensation,
- dispersal,
- dispersion,
- dissemination,
- dissipation,
- distribution,
- divergence,
- electric lighting,
- emanation,
- emission,
- enlightenment,
- evaporation,
- expansion,
- festoon lighting,
- floodlighting,
- fluorescent lighting,
- fragmentation,
- gamma ray,
- gaslighting,
- gleam,
- glow lighting,
- highlight,
- highlights,
- illumination,
- incandescent lighting,
- indirect lighting,
- infrared ray,
- intergalactic matter,
- invisible radiation,
- irradiance,
- irradiancy,
- irradiation,
- leam,
- light,
- light and shade,
- light source,
- lighting,
- luminous energy,
- meteor dust impacts,
- meteors,
- overhead lighting,
- patch,
- pencil,
- peppering,
- photon,
- photosensitivity,
- propagation,
- publication,
- radiance,
- radiancy,
- radiant energy,
- radiorays,
- radius,
- ray,
- ray of light,
- ribbon,
- ribbon of light,
- scattering,
- scatterment,
- shedding,
- shotgun pattern,
- sidelight,
- solar rays,
- sowing,
- space bullets,
- spattering,
- splay,
- spoke,
- spot lighting,
- spread,
- spreading,
- sprinkling,
- stage lighting,
- streak,
- stream,
- stream of light,
- streamer,
- strewing,
- strip lighting,
- the bends,
- tonality,
- ultraviolet ray,
- violet ray,
- visible radiation,
- volatilization,
- weightlessness,
- X ray
Words containing 'Radiation'
- Radiate,
- Radiated,
- Radiately,
- Radiating,
- Radiative,
- Radiator,
- Infrared Radiation,
- actinic radiation,
- adaptive radiation,
- alpha radiation,
- background radiation,
- beta radiation,
- blackbody radiation,
- corpuscular radiation,
- cosmic radiation,
- electromagnetic radiation,
- electron radiation,
- full radiator,
- gamma radiation,
- ionizing radiation,
- neutron radiation,
- nonparticulate radiation,
- optic radiation,
- particulate radiation,
- radiation diagram,
- radiation field,
- radiation pattern,
- radiation physics,
- radiation pressure,
- radiation pyrometer,
- radiation sickness,
- radiation syndrome,
- radiation therapy,
- radiator cap,
- radiator grille,
- radiator hose,
- radio radiation,
- solar radiation,
- ultraviolet radiation,
- visible radiation,
- Radiate-veined,
- acoustic radiation pressure,
- cosmic background radiation,
- planck's radiation law,
- x-radiation,
- black-body radiation,
- corpuscular-radiation pressure,
- cosmic microwave background radiation