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luminance

C2 noun

luminance /ˈluːmɪnəns/ nghĩa là độ sáng, tính phát sáng

Các nghĩa

  1. độ sáng, tính phát sáng

    The quality of being luminous.

    countable · uncountable

  2. độ chói, lượng ánh sáng

    The amount of light that passes through, is emitted, or is reflected from a particular area, and falls within a given solid angle.

    countable · uncountable

  3. độ chói (đơn vị stilb hoặc apostilb)

    The luminous flux emitted in a given direction divided by the product of the projected area of the source element perpendicular to the direction and the solid angle containing that direction (i.e. luminous intensity divided by unit area), measured in stilbs or apostilbs.

    countable · uncountable

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