See Also: Reflectance(health)
reflectance(dictionary)

reflectance (iou)



reflectance noun. E20.
[from REFLECT verb + -ANCE.]
Physics. The proportion of the incident light which a surface (of a particular substance) reflects or scatters; spec. a complex number whose modulus is the proportion of the radiant flux (of specified wavelength) reflected, and whose argument indicates the change of phase undergone by the reflected light.