visible radiation vs radiance

radiance vs visible radiation

visible radiation and radiance both are nouns.

Word	Noun	Adjective	Verb	Adverb
visible radiation	Yes	No	No	No
radiance	Yes	No	No	No

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

visible radiation: (physics) electromagnetic radiation that can produce a visual sensation
radiance: the amount of electromagnetic radiation leaving or arriving at a point on a surface

Other hyponyms of visible radiation include beam, beam of light, irradiation, 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, glow, half-light, glow, incandescence, lamplight, luminescence, meteor, shooting star, Moon, moonlight, moonshine, starlight, sun, sunlight, sunshine, scintillation, streamer, torchlight, twilight.

visible radiation (noun)	radiance (noun)
(physics) electromagnetic radiation that can produce a visual sensation	the quality of being bright and sending out rays of light
	the amount of electromagnetic radiation leaving or arriving at a point on a surface
	an attractive combination of good health and happiness

Difference between visible radiation and radiance

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