Ephydatia

noun

Eph·​y·​da·​tia

ˌefəˈdāsh(ē)ə

: a common genus of freshwater encrusting sponges (family Spongillidae) often bright green from included symbiotic algae

Word History

Etymology

New Latin, from Greek, feminine of ephydatios of the water, in the water, from epi- + hydat-, hydōr water

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