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madreporite

[ mad-ruh-pawr-ahyt, -pohr-, muh-drep-uh-rahyt ]
/ ˈmæd rəˌpɔr aɪt, -ˌpoʊr-, məˈdrɛp əˌraɪt /
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noun
a sievelike plate in certain echinoderms, through which water passes into the vascular system.
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Origin of madreporite

First recorded in 1795–1805; madrepore + -ite1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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