red seaweed

American  

noun

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

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red seaweed British  

noun

1. another term for red algae

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Etymology

Origin of red seaweed

First recorded in 1750–60

Example Sentences

Perth-based start-up Rumin8 is working on a dietary supplement - synthetically replicated from red seaweed - which stops the creation of the gas.

From BBC • Jan. 23, 2023

Other trials have indicated that a red seaweed called Asparagopsis reduces methane when eaten by cows.

From Seattle Times • Nov. 13, 2022

For the red seaweed Gracilaria gracilis, which grows in scraggly clumps, this is a particular problem.

From Scientific American • Jul. 28, 2022

Indeed, one 12-week study of people consuming 1,000 milligrams of red seaweed extract per day reported having a reduction in total body weight compared to the placebo group.

From Salon • Jun. 19, 2022

It occurs with much subtlety in the �sop prawn, Hippolyte, which may be brown on a brown seaweed, green on sea-lettuce or sea-grass, red on red seaweed, and so on through an extensive repertory.

From The Outline of Science, Vol. 1 (of 4) A Plain Story Simply Told by Thomson, J. Arthur