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Chilostomata :: Chilostomata (n. pl.) An extensive suborder of marine Bryozoa, mostly with calcareous shells. They have a movable lip and a lid to close the aperture of the cells..

Tubulipore :: Tubulipore (n.) Any one of numerous species of Bryozoa belonging to Tubulipora and allied genera, having tubular calcareous calicles..

Marlstone :: Marlstone (n.) A sandy calcareous straum, containing, or impregnated with, iron, and lying between the upper and lower Lias of England..

Calcarated :: Calcarated (a.) Armed with a spur.

Cockup :: Cockup (n.) A large, highly esteemed, edible fish of India (Lates calcarifer); -- also called begti..

Tophus :: Tophus (n.) Calcareous tufa.

Serpula :: Serpula (n.) Any one of numerous species of tubicolous annelids of the genus Serpula and allied genera of the family Serpulidae. They secrete a calcareous tube, which is usually irregularly contorted, but is sometimes spirally coiled. The worm has a wreath of plumelike and often bright-colored gills around its head, and usually an operculum to close the aperture of its tube when it retracts..

Hepar :: Hepar (n.) Any substance resembling hepar proper, in appearance; specifically, in homeopathy, calcium sulphide, called also hepar sulphuris calcareum (/)..

Lithophyte :: Lithophyte (n.) A hard, or stony, plantlike organism, as the gorgonians, corals, and corallines, esp. those gorgonians having a calcareous axis. All the lithophytes except the corallines are animals..

Eyestone :: Eyestone (n.) A small, lenticular, calcareous body, esp. an operculum of a small marine shell of the family Turbinidae, used to remove a foreign substance from the eye. It is put into the inner corner of the eye under the lid, and allowed to work its way out at the outer corner, bringing with it the substance..

Calcite :: Calcite (n.) Calcium carbonate, or carbonate of lime. It is rhombohedral in its crystallization, and thus distinguished from aragonite. It includes common limestone, chalk, and marble. Called also calc-spar and calcareous spar..

Calcar :: Calcar (n.) A hollow tube or spur at the base of a petal or corolla.

Petrify :: Petrify (v. i.) To become stone, or of a stony hardness, as organic matter by calcareous deposits..

Phlebolith :: Phlebolith (n.) A small calcareous concretion formed in a vein; a vein stone.

Concretion :: Concretion (n.) A rounded mass or nodule produced by an aggregation of the material around a center; as, the calcareous concretions common in beds of clay..

Shell :: Shell (n.) The hard calcareous or chitinous external covering of mollusks, crustaceans, and some other invertebrates. In some mollusks, as the cuttlefishes, it is internal, or concealed by the mantle. Also, the hard covering of some vertebrates, as the armadillo, the tortoise, and the like..

Calcar :: Calcar (n.) A slender bony process from the ankle joint of bats, which helps to support the posterior part of the web, in flight..

Micaceo-calcareous :: Micaceo-calcareous (a.) Partaking of the nature of, or consisting of, mica and lime; -- applied to a mica schist containing carbonate of lime..

Lates :: Lates (n.) A genus of large percoid fishes, of which one species (Lates Niloticus) inhabits the Nile, and another (L. calcarifer) is found in the Ganges and other Indian rivers. They are valued as food fishes..

Spirillum :: Spirifer (n.) Any one of numerous species of fossil brachipods of the genus Spirifer, or Delthyris, and allied genera, in which the long calcareous supports of the arms form a large spiral, or helix, on each side..

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