luminosity
US /ˌluː.məˈnɑː.sə.t̬i/
UK /ˌluː.mɪˈnɒs.ə.tɪ/
名詞
光度, 亮度
the quality of being luminous; brightness
範例:
•
The luminosity of the full moon lit up the night sky.
滿月的亮度照亮了夜空。
•
Scientists measure the luminosity of stars to understand their properties.
科學家測量恆星的光度以了解其特性。