Definition that contains refractive index
- flint glass optical glass of high dispersion and high refractive index
- optical flint optical glass of high dispersion and high refractive index
- lead glass glass containing lead oxide; has a high refractive index
- optical glass clear homogeneous glass of known refractive index; used to make lenses
- refractometer measuring instrument for measuring the refractive index of a substance
- optical crown optical glass of low dispersion and low refractive index
- crown glass optical glass of low dispersion and low refractive index
- optical crown glass optical glass of low dispersion and low refractive index