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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The first known use of brown alga was in 1780

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Cite this Entry

“Brown alga.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/brown%20alga. Accessed 11 December 2019.

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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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