luminosity

名词 n.
中文释义

英文释义

名词 n.
  1. the state of being luminous, or a luminous object; brilliance or radiance uncountable
    — They reported encountering a luminosity of great intensity and loving angelic beings.
  2. the ratio of luminous flux to radiant flux at the same wavelength; the luminosity factor countable,uncountable
  3. The rate at which a star radiates energy in all directions. countable,uncountable
    — We recognize the same pattern as in the left panel, with dM stars being much less frequent flarers than dMe stars of similar luminosity.

词形变化

luminosities plural

词汇关系

衍生词
Eddington luminosity high-luminosity low-luminosity luminosity distance luminosity function nonluminosity overluminosity solar luminosity superluminosity underluminosity

词源

Borrowed from French luminosité or else a native formation from luminous + -ity.
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