Calcite definition is - a mineral CaCO3 consisting of calcium carbonate crystallized in hexagonal form and including common limestone, chalk, and marble.

Having two atoms or equivalents of calcium to the molecule. Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co. Dicalcium - definition of dicalcium by The Free Dictionary ... brown Oakland, CA rice, carrots, spinach, dicalcium phosphate, (415) 991-0669 calcium carbonate, salt, fish oil, vinegar, nomnomnow.com citric ...

Table 1 collates four old common English terms using the suffixes -eous and -ferous derived from the roots for gypsum and for calcium carbonate, and gives the earliest recorded use taken from Merriam–Webster (1994).The table shows that the term gypseous is older than gypsiferous, and even older than the corresponding terms for calcium carbonate. The meaning of the four words has …

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Calcium Carbonate is the carbonic salt of calcium (CaCO3). Calcium carbonate is used therapeutically as a phosphate buffer in hemodialysis, as an antacid in gastric hyperacidity for temporary relief of indigestion and heartburn, and as a calcium supplement for …

1. crust or layer of hard subsoil encrusted with calcium-carbonate occurring in arid or semiarid regions. Advertizing . Merriam Webster. Hardpan. Hard"pan` (härd"păn), n. The hard substratum. Same as Hard pan, under Hard, a. Advertizing .

calcium carbonate similar to calcite (Merriam-Webster, 2010) Axial polyp The longest polyp of a group of polyps (Bayer et al., 1983) Axis The inner supporting structure of a gorgonian (Bayer et al., 1983) Benthic Organisms occurring on the bottom of a body of water (Merriam-Webster, 2010) Bifurcation A division into two branches or parts

Calcium nitrate definition is - a colorless crystalline deliquescent salt Ca(NO3)2 occurring often in natural waters and soil and as the mineral nitrocalcite, made by reaction of nitric acid or nitrogen oxides with lime or calcium carbonate, and used as a fertilizer.

Travertine is a form of limestone deposited by mineral springs, especially hot springs.Travertine often has a fibrous or concentric appearance and exists in white, tan, cream-colored, and even rusty varieties. It is formed by a process of rapid precipitation of calcium carbonate, often at the mouth of a hot spring or in a limestone cave.In the latter, it can form stalactites, stalagmites, and ...

A blackboard or chalkboard is a reuseable writing surface on which text or drawings are made with sticks of calcium sulphate or calcium carbonate, known, when …

limestone. lime"stone` (līm"stōn`), 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. similar words (11) cliff limestone. delthyris limestone.

Sidewalk chalk (make sure it says calcium carbonate on the label) Two glass cups or jars; Pencil and paper; Make it. Take two pieces of equal-sized chalk and place one inside one of the jars. Break the other piece up into many smaller pieces, and place the pieces inside the other jar. Fill the jars with approximately the same amount of vinegar.

Blackboard definition is – a hard smooth usually dark surface used especially in a classroom for writing or drawing on with chalk. 2. Blackboard – Wikipedia. A blackboard is a reusable writing surface on which text or drawings are made with sticks of calcium sulphate or calcium carbonate, known, when used for …. 3.

Aragonite is a carbonate mineral, one of the two common, naturally occurring, crystal forms of calcium carbonate, Ca C O 3 (the other form being the mineral calcite).It is formed by biological and physical processes, including precipitation from marine and freshwater environments. Aragonite's crystal lattice differs from that of calcite, resulting in a different crystal shape, an orthorhombic ...

Calcium carbide definition is - a usually dark gray crystalline compound CaC2 used especially for the generation of acetylene and for making calcium cyanamide.

Limestone is commonly known as calcium carbonate, and is also a calcium-based mineral, represented by the chemical equation: CaCO 3, where Ca is calcium and CO 3 is carbonate. Gypsum occurs in sedimentary depositional basins in many parts of the United States and Canada

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Merriam Webster. Calcite Cal"cite (kăl"sīt), n. [L. calx, calcis, lime.] (Min.) 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.

A blackboard or chalkboard is a reuseable writing surface on which text or drawings are made with sticks of calcium sulphate or calcium carbonate, known, when … 3. Definition of blackboard – Merriam-Webster

A blackboard is a reusable writing surface on which text or drawings are made with sticks of calcium sulphate or calcium carbonate, known, when used for … 2. Definition of blackboard – Merriam-Webster

4 The phenomenon that sees calcium hydroxide in cement merge with carbon dioxide and turn into calcium carbonate, which is a salt. Merriam-Webster Dictionary. İhsan Bilgin, "Türkiye'de Popüler Kültürün Harcı Olarak Beton" [Concrete as the grout of popular culture in Turkey], Betonart, …

A blackboard is a reusable writing surface on which text or drawings are made with sticks of calcium sulphate or calcium carbonate, known, when used for … 5. BLACKBOARD English Definition and Meaning | Lexico.com

Calcium carbonate is a chemical compound with the formula CaCO 3.It is a common substance found in rocks as the minerals calcite and aragonite (most notably as limestone), and is the main component of shells of marine organisms, snails, pearls, and eggshells.

A blackboard or chalkboard is a reuseable writing surface on which text or drawings are made with sticks of calcium sulphate or calcium carbonate, known, when …

Calcium citrate definition is - a white, odorless powder C12H10Ca3O14 used especially as a food additive and dietary supplement. How to use calcium citrate in a sentence.

Calcium carbonate definition 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.

A blackboard is a reusable writing surface on which text or drawings are made with sticks of calcium sulphate or calcium carbonate, known, when used for … 5. …

Calcium carbonate is a chemical compound with the formula CaCO 3.It is a common substance found in rocks as the minerals calcite and aragonite (most notably as limestone), and is the main component of shells of marine organisms, snails, pearls, and eggshells.

We found 42 dictionaries with English definitions that include the word calcium carbonate: Click on the first link on a line below to go directly to a page where "calcium carbonate" is defined. General (22 matching dictionaries) calcium carbonate: Merriam-Webster.com [home, info] calcium carbonate: Oxford Dictionaries [home, info]

A blackboard is a reusable writing surface on which text or drawings are made with sticks of calcium sulfate or calcium carbonate, known, when used for …

Oto conia by definition: are s mall crystals of calcium carbonate in the saccule and utricle of the ear that under the influence of acceleration in a straight line cause stimulation of the hair cells by their movement relative to the gelatinous supporting substrate containing the embedded cilia of the hair cells — called also statoconia ...

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The venerable Elsie B. Klots says, in The New Field Book of Freshwater Life, that "stiff heavy deposits of calcium carbonate produce the characteristic shagreen" (Merriam Webster—"an un-tanned leather covered with small, round granulations and usually dyed green; the rough skin of various sharks and rays when covered with small, close ...

A soft, earthy substance, of a white, grayish, or yellowish white color, consisting of calcium carbonate, and having the same composition as common limestone. Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter.

Definition of calcium-carbonate noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.