The meaning of CALCIUM CARBONATE is a compound CaCO3 found in nature as calcite and aragonite and in plant ashes, bones, and shells and used especially in making lime and Portland cement and as a gastric antacid.
Heart cockles and many other marine animals use a special form of calcium carbonate called aragonite to make their shells. From Science Daily To find a solution, lead researcher Hidekazu Yoshida of the Nagoya University Museum turned to his expertise in fossil preservation in calcium carbonate concre...
The meaning of CARBONATE is a salt or ester of carbonic acid. How to use carbonate in a sentence.
From Longman Dictionary of Contemporary EnglishRelated topics:Chemistrycar·bon·ate/ˈkɑːbənət, -neɪt$ˈkɑːr-/noun[countable, uncountable]asalt(=chemicalsubstance formed by anacid) that containscarbonandoxygencalcium carbonate...
In their first experiments, they measured the activity of the cells as the bladder empties by measuring changes in levels of calcium. FromScience Daily Heart cockles and many other marine animals use a special form of calcium carbonate called aragonite to make their shells. ...
Sediment or a sedimentary rock formed by the precipitation of organic or inorganic carbon from an aqueous solution of carbonates of calcium, magnesium, or iron. Limestone is a carbonate rock.See more Verb To add carbon dioxide to a substance, such as a beverage. The American Heritage® Scienc...
In many marine creatures, however, the skeleton is composed of a mineral variety of calcium carbonate called aragonite. Although aragonite has the same composition as the more familiar mineral known as calcite, it has a different crystal form, is relatively unstable, and in time changes to the ...
of foraminifera—small, single-celled marine organisms that secrete shells of calcium carbonate, or calcite.These shells differ in their proportion of ordinary oxygen (oxygen-16) and the heavy oxygen isotope (oxygen-18).The ratio of oxygen-16 to oxygen-18 found in the calcite of a foraminifer...
Definition of Marbles marbleLimestone Lime"stone` (l[imac]m"st[=o]n`), n. A rock consisting chiefly of calcium carbonate or carbonate of lime. It sometimes contains also magnesium carbonate, and is then called magnesian or dolomitic limestone. Crystalline limestone is called marble. MarbleMarble...
The Properties Of Calcite Physical Properties Calcite is a rock-forming mineral with a chemical formula of CaCO3. It is widespread and found throughout the world in sedimentary, metamorphic, and igneous rocks. Some geologists consider it to be a “ubiquitous mineral” – one that is found every...