brown alga noun
: any of a division (Phaeophyta) of variable mostly marine algae with chlorophyll masked by brown pigment
First Known Use of BROWN ALGA
brown alga noun (Medical Dictionary)
: any of a major taxonomic group (Phaeophyta) of variable mostly marine algae (as a laminaria) with chlorophyll masked by brown pigment—see algin, laminarin
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