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Webster 1913 Edition

Madreporite

Mad′re-po-rite

,
Noun.
[Cf. F.
madréporite
]
1.
(Paleon.)
A fossil coral.
2.
(Zool.)
The madreporic plate of echinoderms.

Webster 1828 Edition

Madreporite

MAD'REPORITE

,
Noun.
A name given to certain petrified bones found in Normandy, in France, belonging to a cetaceous fish or to a species of crocodile. These bones contain many little brown lines in zigzag, resembling entangled threads. They have none of the properties of madrepore.

MAD'REPORITE

,
Noun.
A variety of limestone, so called on account of its occurring in radiated prismatic concretions resembling the stars of madrepores. When rubbed, it emits the smell of sulphurated hydrogen gas.
1.
Fossil madrepore.

Definition 2024

madreporite

madreporite

English

Noun

madreporite ‎(plural madreporites)

  1. A fossil coral.
    • 1839, Report of the progress of the Geological Survey for the year 1839:
      a similar Madreporite deposite is noticed a few feet above the coal seam
    • 1943, “Publications‎ of the Folklore Society (Great Britain)”, in (Please provide the title of the work), page 138:
      Whether madreporite occurs naturally in Spain, I do not know
    • 1989, Archives of Natural History‎, page 199:
      Madreporite was regarded as a variety of calcite and anthraconite a lamellar variety of madreporite

References

  • madreporite in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913

Etymology

madrepore +‎ -ite

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