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red seaweed

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noun
any marine red alga, especially one of the genus Polysiphonia, having a reddish, much branched thallus.
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Origin of red seaweed

First recorded in 1750–60
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use red seaweed in a sentence

British Dictionary definitions for red seaweed

red seaweed

noun
another term for red algae
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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