Is “Dichromatism” a Scrabble word?
Yes
DICHROMATISM
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Dichromatism
noun
1.The condition of being dichromatic
2.A form of colourblindness in which only two of the three primary colours can be distinguished
3.The condition when male and female birds have different plumage colors.