monochromatic emissivity

monochromatic emissivity

[‚män·ə·krə′mad·ik ‚ē·mi′siv·əd·ē] (thermodynamics) The ratio of the energy radiated by a body in a very narrow band of wavelengths to the energy radiated by a blackbody in the same band at the same temperature. Also known as color emissivity.