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

See Examples For:

red seaweed

Innovative feed additives, such as red seaweed, could reduce livestock methane emissions by 26% to 98%, depending on the type of additive and how it is administered.

From Salon ● Mar. 13, 2024

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

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

From Scientific American ● Jul. 28, 2022

Cooking not only turns the red seaweed green, it pulls out a smoky, umami flavor.

From Seattle Times ● Mar. 13, 2022

“They look like red seaweed dipped in water,” he said.

From Bevis The Story of a Boy by Jefferies, Richard