luminosity
英 [ˌlu:mɪ'nɒsətɪ] 美 [ˌluːmɪˈnɒsəti]

n.

发光；光明；光度；发光体

变形

复数：luminosities

英英释义

luminosity[ ,lju:mi'nɔsəti ]

• n.the quality of being luminous; emitting or reflecting light

  "its luminosity is measured relative to that of our sun"

  同义词：brightnessbrightness levelluminanceluminousnesslight

双语例句

用作名词(n.)

1. Luminosity glows through pale velum walls.
   耀眼的光芒透射着苍白的幕墙。
2. I must have felt pretty weird by that time, because I could think of nothing except the luminosity of his pink suit under the moon.
   我当时一定已经神志恍惚了，因为我脑子里什么都想不到，除了他那套粉红色衣服在月光下闪闪发光。
3. Its luminosity is measured relative to that of our sun.
   发光度是对比我们太阳的发光度测得的。
4. Astronomers tacitly assume that stars of the same luminosity and color all have the same mass.
   天文学家心照不宣地默认，光度和颜色都相同的恒星具有相同的质量。
5. The candle is the basic unit of luminosity.
   蜡烛是基本照明材料。

权威例句

An analytic expression for the luminosity function for galaxies.
Space Distribution and Luminosity Functions of Quasi-Stellar Radio Sources
The 2dF Galaxy Redshift Survey: luminosity dependence of galaxy clustering
The 2dF galaxy redshift survey: near‐infrared galaxy luminosity functions
The Relation between Black Hole Mass, Bulge Mass, and Near-Infrared Luminosity
The Optical and Near-Infrared Properties of Galaxies: I. Luminosity and Stellar Mass Functions
The optical and near-infrared properties of galaxies. I. Luminosity and stellar mass functions
Reverberation Measurements of Quasars and the Size-Mass-Luminosity Relations in Active Galactic Nuclei
Reverberation Measurements for 17 Quasars and the Size-Mass-Luminosity Relations in Active Galactic Nuclei
Lyman-Break Galaxies at z ≳ 4 and the Evolution of the Ultraviolet Luminosity Density at High Redshift*