deuteranomalous

adjective

deu·​ter·​anom·​a·​lous ˌdü-tə-rə-ˈnä-mə-ləs 

 also  ˌdyü-

: exhibiting partial loss of green color vision so that an increased intensity of green is required in a mixture of red and green to match a given yellow

deuteranomaly

ˌdü-tə-rə-ˈnä-mə-lē 

 also  ˌdyü-

noun

Word History

Etymology

New Latin deuteranomalia (from deuter- + Latin anomalia anomaly) abnormal trichromatism + English -ous

First Known Use

1911, in the meaning defined above

Medical Definition

deuteranomalous

adjective

deu·​ter·​anom·​a·​lous ˌd(y)üt-ə-rə-ˈnäm-ə-ləs 

: exhibiting partial loss of green color vision so that an increased intensity of this color is required in a mixture of red and green to match a given yellow