brown alga

noun

Definition of brown alga

: any of a division (Phaeophyta) of variable mostly marine algae with chlorophyll masked by brown pigment

First Known Use of brown alga

1780

in the meaning defined above

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Medical Dictionary

brown alga

noun

medical Definition of brown alga

: any of a division (Phaeophyta) of variable mostly marine algae (as a laminaria) with chlorophyll masked by brown pigment — see algin, laminarin

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