brown algae

Definitions of brown algae

1. noun

   algae having the chlorophyll masked by brown and yellow pigments
   types:

   kelp

   large brown seaweeds having fluted leathery fronds

   fucoid, fucoid algae

   any of various algae of the family Fucaceae

   rockweed

   coarse brown seaweed growing on rocks exposed at low tide

   Fucus serratus, serrated wrack, tang

   brown algae seaweed with serrated edges

   Sargassum bacciferum, gulfweed, sargasso, sargassum

   brown algae with rounded bladders forming dense floating masses in tropical Atlantic waters as in the Sargasso Sea

   sea tangle, tang

   any of various kelps especially of the genus Laminaria

   fucus

   any member of the genus Fucus

   Fucus vesiculosus, black rockweed, bladder fucus, bladderwrack, tang

   a common rockweed used in preparing kelp and as manure

   Ascophyllum nodosum, bladderwrack

   similar to and found with black rockweed

   type of:

   alga, algae

   primitive chlorophyll-containing mainly aquatic eukaryotic organisms lacking true stems and roots and leaves