Associations to the word «Irradiation»

Wiktionary

IRRADIATION, noun. An act of irradiating, or state of being irradiated.
IRRADIATION, noun. (obsolete) illumination; irradiance; brilliance.
IRRADIATION, noun. (obsolete) figurative: mental light or illumination.
IRRADIATION, noun. (obsolete) 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.
IRRADIATION, noun. (uncountable) a process of sterilisation whereby radiation is passed through a bag containing food, utensils, etc., to sterilise the contents.

Dictionary definition

IRRADIATION, noun. The condition of being exposed to radiation.
IRRADIATION, noun. A column of light (as from a beacon).
IRRADIATION, noun. (physiology) the spread of sensory neural impulses in the cortex.
IRRADIATION, noun. The apparent enlargement of a bright object when viewed against a dark background.
IRRADIATION, noun. (Pavolvian conditioning) the elicitation of a conditioned response by stimulation similar but not identical to the original stimulus.
IRRADIATION, noun. (medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance.

Wise words

Words - so innocent and powerless as they are, as standing in a dictionary, how potent for good and evil they become in the hands of one who knows how to combine them.
Nathaniel Hawthorne