Medical Dictionary

psychological primary

noun

Medical Definition of PSYCHOLOGICAL PRIMARY

:  any of the set of colors which are perceived as belonging to objects, which include red, yellow, green, and blue and sometimes black and white, and in terms of which all other colors belonging to objects can be described

Browse

How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears