irradiation

PRIMARY MEANINGS OF: irradiation

1	n	(medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance
2	n	(Pavolvian conditioning) the elicitation of a conditioned response by stimulation similar but not identical to the original stimulus
3	n	(physiology) the spread of sensory neural impulses in the cortex
4	n	the apparent enlargement of a bright object when viewed against a dark background

FULL DEFINITIONS OF: irradiation

Types:: phototherapy
the use of strong light to treat acne or hyperbilirubinemia of the newborn; Curietherapy, radium therapy
the use of radium in radiation therapy; X-ray therapy
the therapeutic use of X rays

Type of:: therapy
(medicine) the act of caring for someone (as by medication or remedial training etc.)

Synonyms:: beam, beam of light, light beam, ray, ray of light, shaft, shaft of light

Types:: show 7 types...; hide 7 types...; heat ray
a ray that produces a thermal effect; high beam
the beam of a car's headlights that provides distant illumination; moon ray, moon-ray, moonbeam
a ray of moonlight; sunbeam, sunray
a ray of sunlight; laser beam
a beam of light generated by a laser; low beam
the beam of a car's headlights that provides illumination for a short distance; infrared ray
a ray of infrared radiation; produces a thermal effect (as from an infrared lamp)

Type of:: light, visible light, visible radiation
(physics) electromagnetic radiation that can produce a visual sensation

Type of:: generalisation, generalization, stimulus generalisation, stimulus generalization
(psychology) transfer of a response learned to one stimulus to a similar stimulus

Type of:: spread, spreading
process or result of distributing or extending over a wide expanse of space

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