Associations to the word «Radiation»


RADIATION, noun. The shooting forth of anything from a point or surface, like the diverging rays of light; as, the radiation of heat.
RADIATION, noun. The process of radiating waves or particles.
RADIATION, noun. The transfer of energy via radiation (as opposed to convection or conduction).
RADIATION, noun. Radioactive energy.
RADIATION BELT, noun. (astronomy) (physics) A region of high-energy charged particles which partly surrounds a planet or star, trapped by its magnetic field and characterized by intense radiation.
RADIATION BIOLOGY, noun. (physics) (biology) The study of the effect of ionizing and nonionizing radiation on biological systems.
RADIATION CHEMISTRY, noun. (physics) (chemistry) The study of the chemical changes that result from the absorption of ionizing radiation.
RADIATION DAMAGE, noun. (physics) (chemistry) Harmful changes in the properties of materials caused by interactions with ionizing radiation.
RADIATION DOSE, noun. (physics) The amount of radiation to which something is exposed.
RADIATION DOSES, noun. Plural of radiation dose
RADIATION FOG, noun. A fog produced by the cooling of air at the ground through the release of electromagnetic energy in the form of heat
RADIATION HARDENING, noun. (physics) (chemistry) The protection of semiconductor devices from the effects of ionizing radiation.
RADIATION IMPEDANCE, noun. (acoustics) The impedance of any vibrating solid or fluid that radiates sound in the surrounding medium.
RADIATION PHYSICS, noun. (physics) The study of the effects of ionizing radiation on matter, and of its measurement
RADIATION POISONING, noun. Radiation sickness
RADIATION PRESSURE, noun. (physics) The pressure exerted by electromagnetic radiation on an object on which it impinges, as a consequence of its momentum.
RADIATION PYROMETER, noun. A device that measures the intensity of radiation from, and thus the temperature of, a hot body
RADIATION SHIELDING, noun. Physical barriers designed to provide protection from the effects of ionizing radiation
RADIATION SHIELDING, noun. The technology of providing such protection
RADIATION SICKNESS, noun. Any illness produced by ionizing radiation with symptoms ranging from nausea through to death.
RADIATION SIGN, noun. A sign universally associated with radiation, especially as a form of warning against lethal danger.
RADIATION SIGNS, noun. Plural of radiation sign
RADIATION THERAPY, noun. (medicine) The use of ionizing radiation to treat disease, especially cancer.

Dictionary definition

RADIATION, noun. Energy that is radiated or transmitted in the form of rays or waves or particles.
RADIATION, noun. The act of spreading outward from a central source.
RADIATION, 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".
RADIATION, noun. The spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay.
RADIATION, noun. The spread of a group of organisms into new habitats.
RADIATION, noun. A radial arrangement of nerve fibers connecting different parts of the brain.
RADIATION, noun. (medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance.

Wise words

Wisdom does not show itself so much in precept as in life - in firmness of mind and a mastery of appetite. It teaches us to do, as well as talk, and to make our words and actions all of a color.
Lucius Annaeus Seneca