irradiation
nounThe act of exposing or the condition of being exposed to radiation.
nounThe use or application of ionizing radiation, especially in medical treatment and for the sterilization or preservation of food.
nounThe act of irradiating or emitting beams of light; illumination; brightness emitted; enlightenment.
nounIn physics, the phenomenon of the apparent enlargement of an object strongly illuminated, when seen against a dark ground.
nounIn neurology, the diffusion of a nervous impulse to parts outside the normal path of conduction.
nounIn therapeutics, subjection to the influence of X-rays or other form of radioactivity.
nounIn anatomy, the disposition of fibrous or other structures in stellate form.
nounIn chem., exposure to radiant light: as, some substances are said to phosphoresce by irradiation.
nounAct of irradiating, or state of being irradiated.
nounIllumination; irradiance; brilliancy.