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madreporite

[mad-ruh-pawr-ahyt, -pohr-, muh-drep-uh-rahyt]
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noun
  1. 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. 2018

Examples from the Web for madreporite

Historical Examples

  • Note on the aboral surface of the disk a small striated calcareous plate, the madreporite or madreporic plate.

    Elementary Zoology, Second Edition

    Vernon L. Kellogg