spectrobolometer /ˌspɛktrəʊbəʊˈlɒmɪtə/

• 1. 

  N a combined spectroscope and bolometer for determining the wavelength distribution of radiant energy emitted by a source 分光测热计; 决定具有相同来源的辐射能量分配的联合分光镜和测辐射热议