We're working on a new site. Click here to get a sneak preview.
Medical Dictionary


noun phy·co·cy·a·nin \ˌfī-kō-ˈsī-ə-nən\

Medical Definition of PHYCOCYANIN

:  any of various bluish green protein pigments in the cells of cyanobacteria


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