Source : WordNet®

division Chrysophyta
     n : 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         systems superseded or subsumed by Heterokontophyta [syn: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}]