'division Chrysophyta' definitions:

noun

Mostly freshwater eukaryotic algae having the chlorophyll masked by brown or yellow pigment; yellow-green and golden- brown algae and diatoms: Xanthophyceae, Chrysophyceae, Bacillariophyceae; some classification systems superseded or subsumed by Heterokontophyta [syn: Chrysophyta, division Chrysophyta]