calcium

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cal·ci·um

 (kăl′sē-əm)
n. Symbol Ca
A silvery, moderately hard alkaline-earth metal that constitutes approximately 3.6 percent of the earth's crust and is a basic component of most animals and plants. It occurs naturally in limestone, gypsum, and fluorite, and its compounds are used to make plaster, quicklime, Portland cement, and metallurgic and electronic materials. Atomic number 20; atomic weight 40.08; melting point 842°C; boiling point 1,484°C; specific gravity 1.54; valence 2. See Periodic Table.

[Latin calx, calc-, lime; see calx + -ium.]

calcium

(ˈkælsɪəm)
n
(Elements & Compounds) a malleable silvery-white metallic element of the alkaline earth group; the fifth most abundant element in the earth's crust (3.6 per cent), occurring esp as forms of calcium carbonate. It is an essential constituent of bones and teeth and is used as a deoxidizer in steel. Symbol: Ca; atomic no: 20; atomic wt: 40.078; valency: 2; relative density: 1.55; melting pt: 842±2°C; boiling pt: 1494°C
[C19: from New Latin, from Latin calx lime]

cal•ci•um

(ˈkæl si əm)

n.
a silver-white divalent metal, combined in limestone, chalk, etc., occurring also in animals in bone, shell, etc. Symbol: Ca; at. wt.: 40.08; at. no.: 20; sp. gr.: 1.55 at 20°C.
[1808; < Latin calc-, s. of calx lime, limestone + New Latin -ium -ium2]

cal·ci·um

(kăl′sē-əm)
Symbol Ca A silvery-white, moderately hard metallic element that is an alkaline-earth metal and occurs in minerals such as limestone and gypsum. It is a basic component of leaves, bones, teeth, and shells, and is essential for the normal growth and development of most animals and plants. Calcium is used to make plaster, cement, and alloys. Atomic number 20. See Periodic Table.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.calcium - a white metallic element that burns with a brilliant lightcalcium - a white metallic element that burns with a brilliant light; the fifth most abundant element in the earth's crust; an important component of most plants and animals
metal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
fluor, fluorite, fluorspar - a soft mineral (calcium fluoride) that is fluorescent in ultraviolet light; chief source of fluorine
gypsum - a common white or colorless mineral (hydrated calcium sulphate) used to make cements and plasters (especially plaster of Paris)
burnt lime, calcined lime, calcium oxide, calx, fluxing lime, quicklime, unslaked lime, lime - a white crystalline oxide used in the production of calcium hydroxide
limestone - a sedimentary rock consisting mainly of calcium that was deposited by the remains of marine animals
calcium ion, factor IV - ion of calcium; a factor in the clotting of blood
Translations
فِلِز الكِلْسكَالْسِيُوم
калций
vápník
calciumkalcium
kalcio
kaltsium
kalsium
kalcij
kalcium
kalsínkalsíum
カルシウム
칼슘
kalcis
kalcijs
calciu
vápnikvápník
kalcij
kalcium
แคลเซียม
canxi

calcium

[ˈkælsɪəm]
A. Ncalcio m
B. CPD calcium carbonate Ncarbonato m de calcio
calcium chloride Ncloruro m de calcio

calcium

[ˈkælsɪəm] ncalcium m

calcium

nKalzium nt, → Calcium nt

calcium

[ˈkælsɪəm] n (Chem) → calcio

calcium

(ˈkӕlsiəm) noun
an element of which one compound (calcium carbonate) forms limestone, chalk etc.

calcium

كَالْسِيُوم vápník calcium Kalzium ασβέστιο calcio kalsium calcium kalcij calcio カルシウム 칼슘 calcium kalsium wapń cálcio кальций kalcium แคลเซียม kalsiyum canxi

cal·ci·um

n. calcio, sustancia mineral necesaria en el desarrollo de los huesos y tejidos;
___ carbonatecarbonato cálcico.

calcium

n calcio; — carbonate carbonato cálcico or de calcio; — gluconate gluconato de calcio
References in periodicals archive ?
One concern is that excess calcium might build up in heart arteries and contribute to atherosclerosis.
So any excess calcium we take in has the potential to calcify in our tissues, making them stiff and brittle.
They also add necessary magnesium to up soil pH and balance out excess calcium and potassium.
The formation of calcium phosphate salts in aqueous solutions takes place following the development of supersaturation, with excess calcium ions reacting with the phosphate to precipitate hydroxyapatite.
Excess calcium may cause gastrointestinal side effects, increase the risk for kidney stones, and interfere with absorption of medications.
Chlorine in tap water can affect vulnerable plants, and in hard water areas you'll see excess calcium building in rings around pot bottoms, which, over time can change the pH balance of the soil.
Chlorine in tap water can affect vulnerable plants, and in hard water areas you'll see excess calcium building in rings around pot bottoms, DAVID ASK GARDENING QUESTIONS ANSWERED which, over time can change the pH balance of the soil.
Chlorine in tap water can affect vulnerable plants, and in hard water areas you'll see excess calcium building in rings around pot bottoms, GARDENING QUESTIONS ANSWERED which, over time can change the pH balance of the soil.
sup][19] When the calcium ion concentration is elevated, PTH secretion decreases and excess calcium is deposited in the bones.
The excess calcium can be deposited in and damage the kidneys, and excessive intake of vitamin D can also encourage calcium to be removed from bones, which can soften and weaken them the opposite of what is trying to be achieved.
Carolyn Dean, MD, ND, advisory board member of the Nutritional Magnesium Association, explains: "When people consume too much calcium without sufficient magnesium, not only will it create stress within the body but the excess calcium will not be utilized correctly and may become toxic, because magnesium is essential for the absorption and metabolism of calcium and vitamin D.
These excess calcium levels may lead to kidney stones or other problems.