madrepore

[ mad-ruh-pawr, -pohr ]

noun
  1. any true or stony coral of the order Madreporaria, forming reefs or islands in tropical seas.

Origin of madrepore

1
1745–55; <French madrépore reef-building coral <Italian madrepora, equivalent to madre mother (<Latin māter) + -pora, for poro<Greek pôros kind of stone

Other words from madrepore

  • mad·re·por·ic [mad-ruh-pawr-ik, -por-], /ˌmæd rəˈpɔr ɪk, -ˈpɒr-/, mad·re·po·ri·an [mad-ruh-pawr-ee-uhn, -pohr-], /ˌmæd rəˈpɔr i ən, -ˈpoʊr-/, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use madrepore in a sentence

  • The madreporic plate is nearly in the center of the disk, and is quite conspicuous, being bordered with a circle of small spines.

    The Sea-beach at Ebb-tide | Augusta Foote Arnold
  • The madreporic plate is on the ventral surface, in one of the circular shields which surround the mouth.

    The Sea-beach at Ebb-tide | Augusta Foote Arnold
  • The ambulacra, when arranged in regular zones, are used for locomotion only in the lines running from the madreporic plate.

    The Sea-beach at Ebb-tide | Augusta Foote Arnold
  • The usual measures in such a case were taken immediately, but outside the chain of madreporic rocks no depth could be sounded.

  • The madreporic plate lies at the angle of two of the arms or rays.

    The Sea-beach at Ebb-tide | Augusta Foote Arnold

British Dictionary definitions for madrepore

madrepore

/ (ˌmædrɪˈpɔː) /


noun
  1. any coral of the genus Madrepora, many of which occur in tropical seas and form large coral reefs: order Zoantharia

Origin of madrepore

1
C18: via French from Italian madrepora mother-stone, from madre mother + -pora, from Latin porus or Greek poros calcareous stone, stalactite

Derived forms of madrepore

  • madreporal, madreporic (ˌmædrɪˈpɒrɪk), madreporitic (ˌmædrɪpəˈrɪtɪk) or madreporian, adjective

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012