Search: Dictionary All Posts
Store Your Knowledge at the Brain Bank!
radiations Definition
Cancel
radiations
noun(ra-di-a-tion)the action or process of radiating
radiations
noun(ra-di-a-tion)the process of emitting radiant energy in the form of waves or particles
radiations
noun(ra-di-a-tion)the combined processes of emission, transmission, and absorption of radiant energy
radiations
noun(ra-di-a-tion)evolutionary diversification of a generalized ancestral form with production of a number of adaptively specialized forms
radiations
noun(ra-di-a-tion)the microwave radiation pervading the universe that exhibits a corresponding blackbody temperature of 2.7 K and that is the principal evidence supporting the big bang theory —called also cosmic background radiation
radiations
noun(ra-di-a-tion)background radiation
radiations
noun(ra-di-a-tion)energy in the form of electromagnetic waves; also : a series of electromagnetic waves
radiations
noun(ra-di-a-tion)radiation composed of gamma rays
radiations
noun(ra-di-a-tion)a series of gravitational waves; also : the generation of such waves (as by a celestial object)
radiations
noun(ra-di-a-tion)radiation emitted by molecules or atoms after bombardment by a primary radiation
radiations
noun(ra-di-a-tion)radiation emitted by high-energy charged relativistic particles (such as electrons) when they are accelerated by a magnetic field (as in a nebula)
radiations
noun(ra-di-a-tion)exposure to X-rays
radiations
noun(ra-di-a-tion)radiation composed of X-rays