dichromatism
/daɪˈkrəʊmətɪzəm/noun
mass noun
1
- (typically in an animal species) the occurrence of two different kinds of colouring（多指动物物种的）二色变异。
2
- colour blindness in which only two of the three primary colours can be discerned二色性色盲, 二色视。
派生词