sargassum

4 ENTRIES FOUND:

sar·gas·sum

noun \sär-ˈga-səm\

Definition of SARGASSUM

:  any of a genus (Sargassum) of brown algae that have a branching thallus with lateral outgrowths differentiated as leafy segments, air bladders, or spore-bearing structures :  gulfweed

Origin of SARGASSUM

New Latin, genus name, from International Scientific Vocabulary sargasso
First Known Use: circa 1890

sargassum

noun    (Concise Encyclopedia)

Any of the brown algae that make up the genus Sargassum. They are adapted for a free-floating tropical environment, even though many species grow attached to rocks along the coast. The Sargasso Sea, a free-floating mass of seaweed (mostly S. natans), occurs in the Atlantic Ocean. Sargassums are also known as sea holly because of their highly branched stems with hollow, berrylike floats and many leaflike, sawtooth-edged blades. They are used as fertilizer in New Zealand and as a component of soups and soy sauce in Japan.

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