any golden-yellow to brown freshwater algae of the class Chrysomonadales (phylum Chrysophyta), living singly or in colonies; blooms may color the water brown.
Origin: < NL Chrysomonad-, s. of Chrysomonas a genus name, equiv. to L chrȳso-chryso-+ Gk monás unit; see monad
[kri-som-uh-nad] 
əˌnæd