- the property that doubly refracting crystals have of transmitting light of different colors when looked at from different angles
- the property of a substance of transmitting light of different colors depending on its thickness or on its concentration in solution
- the property of a substance of having one color when it reflects light and another when it transmits light
Origin of dichroism; from Classical Greek dichroos, of two colors ; from di-, two + chrōs, skin, complexion, color (for Indo-European base see chroma) + -ism
- The property possessed by some solutions of showing different colors at different concentrations.
- The property possessed by some crystals of exhibiting two different colors when viewed along different axes.