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red seaweed

any marine red alga, especially one of the genus Polysiphonia, having a reddish, much branched thallus.
Origin of red seaweed
First recorded in 1750-60 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for red seaweed
Historical Examples
  • These were all entangled in a mass of red seaweed, interlaced with stalks of the Macrocystis.

    Cruise of the 'Alert' R. W. Coppinger
  • The next thing that Laughing Sapphire found was a glowing piece of red seaweed.

    Fairies I Have Met Maud Margaret Key Stawell
British Dictionary definitions for red seaweed

red seaweed

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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