(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.
Example Sentences:
(1) The crystallographic orientation of the calcite also appears to be independent of these fibrils.
(2) The calcium carbonates-calcite, aragonite, and vaterite-constitute most of the remainder of the calculi.
(3) Crystallographic analysis of stones from patients with nutritional pancreatitis (NP), as well as alcoholic pancreatitis (AP), revealed that the main constituent was calcite (CaCO3).
(4) Calcite was present in all stones, vaterite in 12%, and a central amorphous material in 30%.
(5) X-ray diffraction showed that calcite (CaCO3) was the major crystalline constituent of the calcareous deposits.
(6) When the doped glasses have been immersed in a physiological solution (199 medium), a film of calcite forms on the glass surface and this modification is related to the type of doping agent used, decisive for close linking between metal supports and the glass.
(7) We suggest that precipitation of calcite in the pancreatic duct occurs as the primary event in the formation of pancreatic calculi and that it may continue until the duct is completely occluded.
(8) 5-7): calcite and quartz are the principal components of the sinters, additional diffuse apatite lines appear in bone samples.
(9) These features are characteristic of sea urchin (Echinoderm) spines which are composed of ornately formed calcite crystals covered by an epithelium.
(10) Its absence in all analyzed invertebrate tissues (including calcitic, aragonitic, and apatitic mineral phases) indicates that matrix protein-bound gamma-carboxyglutamic acid is not obligatory for the calcification process in the invertebrates.
(11) Quantitatively, phosphate is by far the most important inhibitor of calcite precipitation present in saliva, suggesting that inhibition of calcite precipitation by the macromolecules may be of secondary significance.
(12) Plates of calcite (CaCO3) were implanted in rabbit tibiae, and their biocompatibility and bonding ability to bone were studied.
(13) Subsequent increase in diameter of the rod involves the radial development of irregular columns of calcite which arise from the peripheral nodules.
(14) The phenomenon of dissolution and recrystallisation in situ of the calcite can be a trap because it can be a reservoir for micro-organisms.
(15) Synechococcus strain GL24 was isolated from Fayetteville Green Lake, New York, where it has a demonstrated role in the formation of calcitic minerals.
(16) Pancreatic stones are observed in both humans and cattle, and are approximately 95% CaCO3 (calcite) in both species.
(17) Skeletal walls of more than one mineralogy have the magnesium-rich layer (calcite) surrounding the living chamber and the strontium-rich layer (aragonite) on the outside.
(18) Here we report on the ability of a soil bacterium to synthesize calcite in a calcium-stressed environment.
(19) Formation of inner protein nidus in the form of a cobweb is the first stage, then calcite is deposited on this fibrous network as tiny crystals.
(20) The biocompatibility of mammal bone with aragonite and calcite skeletons of aquatic invertebrates (Corals, Molluscs) led us, after animal experimentation, to implant in humans artificial dental roots derived from such invertebrates.
Marble
Definition:
(n.) A massive, compact limestone; a variety of calcite, capable of being polished and used for architectural and ornamental purposes. The color varies from white to black, being sometimes yellow, red, and green, and frequently beautifully veined or clouded. The name is also given to other rocks of like use and appearance, as serpentine or verd antique marble, and less properly to polished porphyry, granite, etc.
(n.) A thing made of, or resembling, marble, as a work of art, or record, in marble; or, in the plural, a collection of such works; as, the Arundel or Arundelian marbles; the Elgin marbles.
(n.) A little ball of marble, or of some other hard substance, used as a plaything by children; or, in the plural, a child's game played with marbles.
(a.) Made of, or resembling, marble; as, a marble mantel; marble paper.
(a.) Cold; hard; unfeeling; as, a marble breast or heart.
(n.) To stain or vein like marble; to variegate in color; as, to marble the edges of a book, or the surface of paper.
Example Sentences:
(1) Data of ether-extracted total fat content versus data of fat marbling planimetry correlated well with r = 0.9.
(2) He made his way to a spot on the cobblestones not far from the marble mausoleum housing the waxy corpse of Vladimir Lenin , and began to undress.
(3) Our meeting is in the Presidential Palace in Damascus, a place of vast halls and marble floors.
(4) George Clooney has strolled into one of the most bitter and longest-running controversies in the heritage world, saying it would be "very nice" if the British Museum sent the Parthenon Marbles back to Greece.
(5) Marbling scores were not distributed normally with both positive skewness and kurtosis (P less than .001).
(6) Relative to Chinese crosses, longissimus muscles from Duroc crosses had more marbling (P less than .05).
(7) Metres away, the yellow flag of the militant group covered a freshly covered hole in a white marble floor.
(8) "And nor have I come as a teacher to give grades," she added, now focusing intently on the marble floor.
(9) It's very reminiscent of a similar death almost a year ago, when a "middle-aged trade unionist" collapsed and died during a protest ( details ) Updated at 1.42pm BST 1.31pm BST 30,000 join Athens protests Reuters reckons that more than 30,000 people took part in today's demonstrations in Athens, and that the trouble began when "a small group of protesters" began throwing marble, bottles and petrol bombs at the ropt police who were "barricading part of the square".
(10) It seemed to me watching the film that the concept of the cloud was another great piece of airy obfuscation on the part of the internet corporations, who like to peddle the childlike and the playful in the way that banks used to flog you credit cards called Smile and Egg and Marbles and Goldfish, to encourage you not to think too hard about the small print (what could possibly go wrong?).
(11) Pen-raised North American wild turkeys (Meleagris gallopavo L.) were experimentally infected with marble spleen disease (MSD) to determine their susceptibility to this disease.
(12) Doubles from £82 Royal Jardins Boutique Hotel Two blocks from the grandiose, futuristic sweep of Paulista Avenue, South America's Broadway, and right by its shady Triannon park, this is a hotel with all the cream tones, clever lighting and marble lobby that say "posh".
(13) The comments, which follow Clooney's repeated claims over the past week that Britain should return the Parthenon marbles to Greece, were reportedly made in Milan at a press event during which the film's cast posed in front of the famed Leonardo da Vinci masterpiece The Last Supper.
(14) The key difference is in the role of the tourier who rolls the dough out on their chilled marble slabs or tours .
(15) Photograph: David Levene for the Guardian Curators: Institute of Architecture – Dorota Jedruch, Marta Karpinska, Dorota Lesniak-Rychlak, Michał Wisniewski A welcome respite from the barrage of information on display elsewhere, the Polish pavilion presents a stark marble tomb, looming in the centre of the bright white space like some gothic fantasy.
(16) The effects of zinc methionine on carcass quality grade and marbling score may be due to Zn and (or) methionine.
(17) Here workmen brought from distant Rajasthan are preparing spectacular marble panels inlaid with semi-precious stone for a new place of worship, or gurdwara .
(18) Numerous witnesses claim that Said, who had earlier posted an online video of local police officers apparently dividing up the spoils of a drug haul, was attacked in an internet cafe by the two plainclothes officials who kicked and punched him before eventually smashing his head against a marble table-top.
(19) Two kinds of herbivorous rabbit-fish – the dusty spine-foot and its cousin the marbled spine-foot – have destroyed vast swaths of underwater seaweed forests in the eastern Mediterranean, after migrating through the Suez in recent decades.
(20) The most visible sign of this is the arrival each day, when parliament is in session in its lavish, marble-decked halls in the new capital of Naypyidaw , of scores of officers, natty in their freshly pressed olive drab.