luminosity的词源

英文词源

luminosity (n.)

1630s, "quality of being luminous," from French luminosité or else a native formation from luminous + -ity. In astronomy, "intrinsic brightness of a heavenly body" (as distinguished from apparent magnitude, which diminishes with distance), attested from 1906.

中文词源

luminosity：光明，光辉；发光度；发光体

词根词缀： -lumin-光,照 + -osity名词词尾

该词的英语词源请访问趣词词源英文版：luminosity 词源，luminosity 含义。