(physics, optics, British spelling) Colours visible when white light is split in a prisma.

plural of self colour

plural of accidental colour

Third-person singular simple present indicative form of colour up

Britain standard spelling of in flying colors.

plural of false colour

plural of tertiary colour

plural of skin colour

plural of eye colour

The commission of an ensign in the infantry or a cornet in the cavalry; an ensigncy or cornetcy. / (British spelling) A national flag and a regimental flag when carried together.