noun. The act of exposing or the condition of being exposed to radiation.

noun. The use or application of ionizing radiation, especially in medical treatment and for the sterilization or preservation of food.

noun. The act of irradiating or emitting beams of light; illumination; brightness emitted; enlightenment.

noun. In physics, the phenomenon of the apparent enlargement of an object strongly illuminated, when seen against a dark ground.

noun. In neurology, the diffusion of a nervous impulse to parts outside the normal path of conduction.

noun. In therapeutics, subjection to the influence of X-rays or other form of radioactivity.

noun. In anatomy, the disposition of fibrous or other structures in stellate form.

noun. In chem., exposure to radiant light: as, some substances are said to phosphoresce by irradiation.

noun. Act of irradiating, or state of being irradiated.

noun. Illumination; irradiance; brilliancy.

noun. Fig.: Mental light or illumination.

noun. The apparent enlargement of a bright object seen upon a dark ground, due to the fact that the portions of the retina around the image are stimulated by the intense light; as when a dark spot on a white ground appears smaller, or a white spot on a dark ground larger, than it really is, esp. when a little out of focus.

noun. An act of irradiating, or state of being irradiated.

noun. illumination; irradiance; brilliance.

noun. figurative: mental light or illumination.

noun. the apparent enlargement of a bright object seen upon a dark ground, due to the fact that the portions of the retina around the image are stimulated by the intense light; as when a dark spot on a white ground appears smaller, or a white spot on a dark ground larger, than it really is, especially when a little out of focus.

noun. a process of sterilisation whereby radiation is passed through a bag containing food, utensils, etc., to sterilise the contents.

noun. (physiology) the spread of sensory neural impulses in the cortex

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

noun. a column of light (as from a beacon)

noun. the condition of being exposed to radiation

noun. the apparent enlargement of a bright object when viewed against a dark background

noun. (Pavolvian conditioning) the elicitation of a conditioned response by stimulation similar but not identical to the original stimulus

"The problem is largely that the term "irradiation" sounds like what might have happened to Blinky, the three-eyed fish that Bart Simpson caught downstream from the Springfield Nuclear Power Plant in a 1990 "Simpsons" TV episode."

photoirradiation  

condition  generalisation  generalization  illusion  semblance  

Alsatian  Americanization  Appalachian  Balkanization  Christianization  

bombardment  chemotherapy  diffraction  excitation  fluorescence  

X-ray dosimetry  X-ray therapy  anhydration  arc lighting  black and white