Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of calcareous is as below...

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..

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

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

Corallum :: Corallum (n.) The coral or skeleton of a zoophyte, whether calcareous of horny, simple or compound. See Coral..

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..

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

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.

Decalcification :: Decalcification (n.) The removal of calcareous matter.

Palus :: Palus (n.) One of several upright slender calcareous processes which surround the central part of the calicle of certain corals.

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..

Marl :: Marl (n.) A mixed earthy substance, consisting of carbonate of lime, clay, and sand, in very varivble proportions, and accordingly designated as calcareous, clayey, or sandy. See Greensand..

Retepore :: Retepore (n.) Any one of several species of bryozoans of the genus Retepora. They form delicate calcareous corals, usually composed of thin fenestrated fronds..

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

Portland Stone :: Portland stone () A yellowish-white calcareous freestone from the Isle of Portland in England, much used in building..

Style :: Stylaster (n.) Any one of numerous species of delicate, usually pink, calcareous hydroid corals of the genus Stylaster..

Mollusca :: Mollusca (n. pl.) One of the grand divisions of the animal kingdom, including the classes Cephalopoda, Gastropoda, PteropodaScaphopoda, and Lamellibranchiata, or Conchifera. These animals have an unsegmented bilateral body, with most of the organs and parts paired, but not repeated longitudinally. Most of them develop a mantle, which incloses either a branchial or a pulmonary cavity. They are generally more or less covered and protected by a calcareous shell, which may be univalve, bivalve, or m

Tophus :: Tophus (n.) Calcareous tufa.

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..

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..

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

Random Fonts

Most Popular