Hypertext Webster Gateway: "madreporic"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Madreporian \Mad`re*po"ri*an\, Madreporic \Mad`re*po"ric\, a.
(Zo["o]l.)
Resembling, or pertaining to, the genus Madrepora.
{Madreporic plate} (Zo["o]l.), a perforated plate in
echinoderms, through which water is admitted to the
ambulacral tubes; -- called also {madreporic tubercule}.
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