Definition of coral

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Coral (n.) The hard parts or skeleton of various Anthozoa, and of a few Hydrozoa. Similar structures are also formed by some Bryozoa..

Lern More About Coral

Alveolus :: Alveolus (n.) A small cavity in a coral, shell, or fossil.
Coenenchyma :: Coenenchyma (n.) The common tissue which unites the polyps or zooids of a compound anthozoan or coral. It may be soft or more or less ossified. See Coral.
Nullipore :: Nullipore (n.) A name for certain crustaceous marine algae which secrete carbonate of lime on their surface, and were formerly thought to be of animal nature. They are now considered corallines of the genera Melobesia and Lithothamnion..
Coral-rag :: Coral-rag (n.) Same as Corallian.
Coralloid :: Coralloid (a.) Having the form of coral; branching like coral.
Exotheca :: Exotheca (n.) The tissue which fills the interspaces between the costae of many madreporarian corals, usually consisting of small transverse or oblique septa..
Elaps :: Elaps (n.) A genus of venomous snakes found both in America and the Old World. Many species are known. See Coral snake, under Coral..
Anthozoa :: Anthozoa (n. pl.) The class of the Coelenterata which includes the corals and sea anemones. The three principal groups or orders are Acyonaria, Actinaria, and Madreporaria..
Pennatulacea :: Pennatulacea (n. pl.) A division of alcyonoid corals, including the seapens and related kinds. They are able to move about by means of the hollow muscular peduncle, which also serves to support them upright in the mud. See Pennatula, and Illust. under Alcyonaria..
Actinaria :: Actinaria (n. pl.) A large division of Anthozoa, including those which have simple tentacles and do not form stony corals. Sometimes, in a wider sense, applied to all the Anthozoa, expert the Alcyonaria, whether forming corals or not..
Corallaceous :: Corallaceous (a.) Like coral, or partaking of its qualities..
Corallum :: Corallum (n.) The coral or skeleton of a zoophyte, whether calcareous of horny, simple or compound. See Coral..
Coral :: Coral (n.) The ovaries of a cooked lobster; -- so called from their color.
Palmated :: Palmated (a.) Having the distal portion broad, flat, and more or less divided into lobes; -- said of certain corals, antlers, etc..
Madrepora :: Madrepora (n.) A genus of reef corals abundant in tropical seas. It includes than one hundred and fifty species, most of which are elegantly branched..
Favosites :: Favosites (n.) A genus of fossil corals abundant in the Silurian and Devonian rocks, having polygonal cells with perforated walls..
Ramulus :: Ramulus (n.) A small branch, or branchlet, of corals, hydroids, and similar organisms..
Theca :: Theca (n.) The more or less cuplike calicle of a coral.
Atoll :: Atoll (n.) A coral island or islands, consisting of a belt of coral reef, partly submerged, surrounding a central lagoon or depression; a lagoon island..
Halysites :: Halysites (n.) A genus of Silurian fossil corals; the chain corals. See Chain coral, under Chain..
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