bichrome \bichrome\ bicoloured \bicoloured\adj.

1. having two colors.

Syn: bicolor, bicolour, bicolored. [WordNet 1.5]

Source: The Collaborative International Dictionary of English v.0.48
 

bichrome adj : having two colors; "a bicolor flower"; "a bicolored postage stamp" [syn: bicolor, bicolour, bicolored, bicoloured, dichromatic]

Source: WordNet (r) 2.0