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

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..

Dissepiment :: Dissepiment (n.) One of the transverse, calcareous partitions between the radiating septa of a coral..

Silicicalcareous :: Silicicalcareous (a.) Consisting of silica and calcareous matter.

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..

Argillo-calcareous :: Argillo-calcareous (a.) Consisting of, or containing, clay and calcareous earth..

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..

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

Diaphragm :: Diaphragm (n.) A calcareous plate which divides the cavity of certain shells into two parts.

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

Calcareo-argillaceous :: Calcareo-argillaceous (a.) consisting of, or containing, calcareous and argillaceous earths..

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

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

Pluteus :: Pluteus (n.) The free-swimming larva of sea urchins and ophiurans, having several long stiff processes inclosing calcareous rods..

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..

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

Calcify :: Calcify (v. t.) To make stony or calcareous by the deposit or secretion of salts of lime.

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..

Calcar :: Calcar (n.) A kind of oven, or reverberatory furnace, used for the calcination of sand and potash, and converting them into frit..

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