English Dictionary

luminance

名詞

可算名詞 不可算名詞

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

日本語の意味

ある面積から放たれる、透過または反射される光の量を表す、物理的な輝度の概念。 / 光を発する性質や、明るさを持つ状態。

The luminance of the moonlit snow made the entire valley glow with a soft, silver light.

月明かりの雪の輝きが谷全体を柔らかな銀色の光で照らした。

意味（1）

The quality of being luminous.

意味（2）

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

意味（3）

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.

luminances （ plural ）