Stefan-Boltzmann law
/ˌstefænˈbəʊltsmən/- Physics a law stating that the total radiation emitted by a black body is proportional to the fourth power of its absolute temperature【物理】斯蒂芬-玻尔兹曼定律（认为一个黑体发出的辐射量与它的温度的四次方成正比）。
词源
late 19th cent.: named after Josef Stefan （1835-93）, Austrian physicist, and L. BOLTZMANN.