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Stalagmitic :: Stalagmite (n.) A deposit more or less resembling an inverted stalactite, formed by calcareous water dropping on the floors of caverns; hence, a similar deposit of other material..

Epiphragm :: Epiphragm (n.) A membranaceous or calcareous septum with which some mollusks close the aperture of the shell during the time of hibernation, or aestivation..

Sclerenchyma :: Sclerenchyma (n.) The hard calcareous deposit in the tissues of Anthozoa, constituting the stony corals..

Foraminifera :: Foraminifera (n. pl.) An extensive order of rhizopods which generally have a chambered calcareous shell formed by several united zooids. Many of them have perforated walls, whence the name. Some species are covered with sand. See Rhizophoda..

Sclerobase :: Sclerobase (n.) The calcareous or hornlike coral forming the central stem or axis of most compound alcyonarians; -- called also foot secretion. See Illust. under Gorgoniacea, and Coenenchyma..

Calcar :: Calcar (n.) A spur, or spurlike prominence..

Coccolith :: Coccolith (n.) One of a kind of minute, calcareous bodies, probably vegetable, often abundant in deep-sea mud..

Calcariferous :: Calcariferous (a.) Lime-yielding; calciferou.

Rhabdolith :: Rhabdolith (n.) A minute calcareous rodlike structure found both at the surface and the bottom of the ocean; -- supposed by some to be a calcareous alga.

Calcispongiae :: Calcispongiae (n. pl.) An order of marine sponges, containing calcareous spicules. See Porifera..

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..

Calcified :: Calcified (a.) Consisting of, or containing, calcareous matter or lime salts; calcareous..

Thinolite :: Thinolite (n.) A calcareous tufa, in part crystalline, occurring on a large scale as a shore deposit about the Quaternary lake basins of Nevada..

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..

Calcareousness :: Calcareousness (n.) Quality of being calcareous.

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

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..

Ergot :: Ergot (n.) See 2d Calcar, 3 (b)..

Bicalcarate :: Bicalcarate (a.) Having two spurs, as the wing or leg of a bird..

Calcareo-bituminous :: Calcareo-bituminous (a.) Consisting of, or containing, lime and bitumen..

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