luminosity
中文来自 ECDICT
- n.
- 光明，光辉，光度，亮度
构词拆分
luminous词根/词干
+
-ity后缀
Used to form an uncountable noun from an adjective; especially, to form the noun referring to the state, property, or quality of conforming to the adjective's description. · Used to form a countable noun from an adjective, referring to someone or something that conforms to the adjective's description.
演变路径（由近及远）
- 英语
- 借自 ←法语 luminosité
词源说明
释义（英文）
名词 Noun
- (uncountable) the state of being luminous, or a luminous object; brilliance or radiance
- (physics) the ratio of luminous flux to radiant flux at the same wavelength; the luminosity factor
- (astronomy) The rate at which a star