visible light vs irradiation

irradiation vs visible light

visible light and irradiation both are nouns.

Word	Noun	Adjective	Verb	Adverb
visible light	Yes	No	No	No
irradiation	Yes	No	No	No

As nouns, irradiation is a hyponym of visible light; that is, irradiation is a word with a more specific, narrower meaning than visible light:

visible light: (physics) electromagnetic radiation that can produce a visual sensation
irradiation: a column of light (as from a beacon)

Other hyponyms of visible light include beam, beam of light, light beam, ray, ray of light, shaft, shaft of light, candle flame, candlelight, corona, counterglow, gegenschein, daylight, firelight, fluorescence, friar's lantern, ignis fatuus, jack-o'-lantern, will-o'-the-wisp, gaslight, glow, glowing, radiance, glow, half-light, glow, incandescence, lamplight, luminescence, meteor, shooting star, Moon, moonlight, moonshine, starlight, sun, sunlight, sunshine, scintillation, streamer, torchlight, twilight.

visible light (noun)	irradiation (noun)
(physics) electromagnetic radiation that can produce a visual sensation	(medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance
	the apparent enlargement of a bright object when viewed against a dark background
	(Pavolvian conditioning) the elicitation of a conditioned response by stimulation similar but not identical to the original stimulus
	(physiology) the spread of sensory neural impulses in the cortex
	a column of light (as from a beacon)
	the condition of being exposed to radiation

Difference between visible light and irradiation

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