1. 
[syn: deuteranopia, Daltonism, green-blindness]
The Collaborative International Dictionary of English v.0.48:
green-blindness \green-blindness\ n.
   A defect of color vision characterized by inability to
   distinguish green and purplish-red.
   Syn: deuteranopia, daltonism.
        [WordNet 1.5]
WordNet (r) 3.0 (2006):
green-blindness
    n 1: dichromacy characterized by a lowered sensitivity to green
         light resulting in an inability to distinguish green and
         purplish-red [syn: deuteranopia, Daltonism, green-
         blindness]