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  1. Oxford Dictionary

    luminosity

    • IPA[ˌluːmɪˈnɒsɪti]

    英式

    • n.
      luminous quality；the intrinsic brightness of a celestial object (as distinct from its apparent brightness diminished by distance)

    • noun: luminosity, plural noun: luminosities

    • 釋義

    名詞

    • 1. luminous quality acrylic colours retain freshness and luminosity
    • ▪ the intrinsic brightness of a celestial object (as distinct from its apparent brightness diminished by distance) Altair has ten times the luminosity of the sun the luminosities of galaxies
    • ▪ the rate of emission of radiation, visible or otherwise.
    • 更多解釋

    luminosity

    • IPA[ˌlo͞oməˈnäsədē]

    美式

    • n.
      luminous quality: acrylic colors retain freshness and luminosity

    Oxford American Dictionary