= dichroic, adj.

Having, showing, or involving two colours. Sometimes: spec. = dichroic, adj. Also figurative.

Having or exhibiting dichroism (dichroism, n.). Also: (of a mirror, filter, etc.) passing or transmitting only light in a certain band of wavelengths.

= dichroic, adj.

Science. = dichroic, adj.

= dichroic, adj.

Having two colours.

in the same sense.

(a) in two colours or two shades of the same colour; (b) being or producing two notes, usually alternately at intervals; also figurative.

Having two colours.

Passing into general use as adj.