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ONAD→madreporite

madreporite

Flag: gbEnglishOxford New American Dictionary
madreporite /ˌmadrəˈpôrīt, ˌmædrəˈpɔraɪt /
▸ noun Zoology a perforated plate by which the entry of seawater into the vascular system of an echinoderm is controlled.
– ORIGIN early 19th century : from madrepore (see Madreporaria) + -ite1.