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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 spur, or spurlike prominence..

Calcareo-siliceous :: Calcareo-siliceous (a.) Consisting of, or containing calcareous and siliceous earths..

Calcareous :: Calcareous (a.) Partaking of the nature of calcite or calcium carbonate; consisting of, or containing, calcium carbonate or carbonate of lime..

Corneocalcareous :: Corneocalcareous (a.) Horny on one side and calcareous on the other.

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

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..

Longspur :: Longspur (n.) Any one of several species of fringilline birds of the genus Calcarius (or Plectrophanes), and allied genera. The Lapland longspur (C. Lapponicus), the chestnut-colored longspur (C. ornatus), and other species, inhabit the United States..

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

Calcaria :: Calcaria (pl. ) of Calca.

Spicule :: Spicule (n.) Any small calcareous or siliceous body found in the tissues of various invertebrate animals, especially in sponges and in most Alcyonaria..

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

Proostracum :: Proostracum (n.) The anterior prolongation of the guard of the phragmocone of belemnites and allied fossil cephalopods, whether horny or calcareous. See Illust. of Phragmocone..

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..

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

Conglomerate :: Conglomerate (n.) A rock, composed or rounded fragments of stone cemented together by another mineral substance, either calcareous, siliceous, or argillaceous; pudding stone; -- opposed to agglomerate. See Breccia..

Tophus :: Tophus (n.) Calcareous tufa.

Synaptase :: Synapta (n.) A genus of slender, transparent holothurians which have delicate calcareous anchors attached to the dermal plates. See Illustration in Appendix..

Calcarated :: Calcarated (a.) Having a spur, as the flower of the toadflax and larkspur; spurred..

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