Definition of calcar

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

Lern More About Calcar

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..
Belemnite :: Belemnite (n.) A conical calcareous fossil, tapering to a point at the lower extremity, with a conical cavity at the other end, where it is ordinarily broken; but when perfect it contains a small chambered cone, called the phragmocone, prolonged, on one side, into a delicate concave blade; the thunderstone. It is the internal shell of a cephalopod related to the sepia, and belonging to an extinct family. The belemnites are found in rocks of the Jurassic and Cretaceous ages..
Calcareo-bituminous :: Calcareo-bituminous (a.) Consisting of, or containing, lime and bitumen..
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..
Calcification :: Calcification (n.) The process of change into a stony or calcareous substance by the deposition of lime salt; -- normally, as in the formation of bone and of teeth; abnormally, as in calcareous degeneration of tissue..
Style :: Stylaster (n.) Any one of numerous species of delicate, usually pink, calcareous hydroid corals of the genus Stylaster..
Coccolith :: Coccolith (n.) One of a kind of minute, calcareous bodies, probably vegetable, often abundant in deep-sea mud..
Septum :: Septum (n.) One of the radial calcareous plates of a coral.
Sclerite :: Sclerite (n.) A hard chitinous or calcareous process or corpuscle, especially a spicule of the Alcyonaria..
Lady :: Lady (n.) The triturating apparatus in the stomach of a lobster; -- so called from a fancied resemblance to a seated female figure. It consists of calcareous plates.
Corallum :: Corallum (n.) The coral or skeleton of a zoophyte, whether calcareous of horny, simple or compound. See Coral..
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..
Corneocalcareous :: Corneocalcareous (a.) Horny on one side and calcareous on the other.
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..
Otolite :: Otolite (n.) One of the small bones or particles of calcareous or other hard substance in the internal ear of vertebrates, and in the auditory organs of many invertebrates; an ear stone. Collectively, the otoliths are called ear sand and otoconite..
Hippocampus :: Hippocampus (n.) A name applied to either of two ridges of white matter in each lateral ventricle of the brain. The larger is called hippocampus major or simply hippocampus. The smaller, hippocampus minor, is called also ergot and calcar..
Sclerenchyma :: Sclerenchyma (n.) The hard calcareous deposit in the tissues of Anthozoa, constituting the stony corals..
Syconium :: Sycones (n. pl.) A division of calcareous sponges.
Calcar :: Calcar (n.) A curved ridge in the floor of the leteral ventricle of the brain; the calcar avis, hippocampus minor, or ergot..
Decalcification :: Decalcification (n.) The removal of calcareous matter.
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