golden-brown alga
noun
gold·en-brown alga ˈgōl-dən-ˈbrau̇n- 
variants or golden alga
plural golden-brown algae or golden algae also golden-brown algas or golden algas
: any of a division (Chrysophyta) of marine and freshwater algae (such as diatoms) containing yellowish-green to golden-brown pigments that obscure the chlorophyll
called also chrysophyte
Word History
First Known Use
circa 1957, in the meaning defined above