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 calcar is as below...

Concretion :: Concretion (n.) A rounded mass or nodule produced by an aggregation of the material around a center; as, the calcareous concretions common in beds of clay..

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

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

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

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

Cirripedia :: Cirripedia (n. pl.) An order of Crustacea including the barnacles. When adult, they have a calcareous shell composed of several pieces. From the opening of the shell the animal throws out a group of curved legs, looking like a delicate curl, whence the name of the group. See Anatifa..

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..

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

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..

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..

Decalcify :: Decalcify (v. t.) To deprive of calcareous matter; thus, to decalcify bones is to remove the stony part, and leave only the gelatin..

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

Anchor :: Anchor (n.) One of the anchor-shaped spicules of certain sponges; also, one of the calcareous spinules of certain Holothurians, as in species of Synapta..

Coralline :: Coralline (n.) A submarine, semicalcareous or calcareous plant, consisting of many jointed branches..

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

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

Phlebolith :: Phlebolith (n.) A small calcareous concretion formed in a vein; a vein stone.

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.

Calcify :: Calcify (v. i.) To become changed into a stony or calcareous condition, in which lime is a principal ingredient, as in the formation of teeth..

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

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