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Codium

noun
Co·​di·​um | \ˈkōdēəm\

Definition of Codium 

: a genus (the type of the family Codiaceae) of green algae having a tubular thallus made up of interwoven threads that often end in club-shaped cells and often branching or forming spherical or cushion-shaped masses

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History and Etymology for Codium

New Latin, from Greek kōidion fleece, diminutive of kōas; from the fleecy thallus; perhaps akin to Latin cutis skin

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