dispersive power
noun Optics.
a measure of the ability of a substance to disperse light, equal to the quotient of the difference in refractive indices of the substance for two representative wavelengths divided by the difference of the refractive index for an intermediate wavelength and 1.
Compare
Abbe number.
Words nearby dispersive power
dispersion hardening,
dispersion medium,
dispersion relation,
dispersive,
dispersive medium,
dispersive power,
dispersoid,
disphenoid,
dispireme,
dispirit,
dispirited