English-Thai Dictionary

calcium

N ธาตุช นิดหนึ่ง มี สี ขาว เงิน  สัญลักษณ์  Ca thad-cha-nid-nueng-me-se-khaol-ngen-san-ya-lak

 

Webster's 1828 Dictionary

CALCIUM

n.The metallic basis of lime.

 

Webster's 1913 Dictionary

CALCIUM

Cal "ci *um, n. Etym: [NL. , from L. calx, calcis, lime; cf F. calcium. See Calx. ] (Chem. )

 

Defn: An elementary substance; a metal which combined with oxygen forms lime. It is of a pale yellow color, tenacious, and malleable. It is a member of the alkaline earth group of elements. Atomic weight 4 . Symbol Ca.

 

Note: Calcium is widely and abundantly disseminated, as in its compounds calcium carbonate or limestone, calcium sulphate or gypsum, calcium fluoride or fluor spar, calcium phosphate or apatite. Calcium light, an intense light produced by the incandescence of a stick or ball of lime in the flame of a combination of oxygen and hydrogen gases, or of oxygen and coal gas; -- called also Drummond light.

 

New American Oxford Dictionary

calcium

cal ci um |ˈkalsēəm ˈkælsiəm | ▶noun the chemical element of atomic number 20, a soft gray metal. (Symbol: Ca ) Calcium is one of the alkaline earth metals. Its compounds occur naturally in limestone, fluorite, gypsum, and other minerals. Many physiological processes involve calcium ions, and calcium salts are an essential constituent of bone, teeth, and shells. ORIGIN early 19th cent.: from Latin calx, calc- ‘lime ’ (see calx ) + -ium .

 

calcium antagonist

cal ci um an tag o nist ▶noun Medicine a compound of a type that reduces the influx of calcium into the cells of cardiac and smooth muscle, reducing the strength of contractions. Such drugs are used to treat angina and high blood pressure.

 

calcium carbide

cal ci um car bide ▶noun see carbide.

 

calcium carbonate

cal ci um car bon ate |ˈkælsiəm ˈkɑrbəˌneɪt | ▶noun a white, insoluble solid occurring naturally as chalk, limestone, marble, and calcite, and forming mollusk shells and stony corals. [Chem. formula: CaCO 3. ]

 

calcium chloride

cal ci um chlo ride ▶noun a white crystalline salt used to de-ice roads and as a drying agent. [Chem. formula: CaCl 2. ]

 

calcium hydroxide

cal ci um hy drox ide ▶noun a soluble white crystalline solid commonly produced in the form of slaked lime. [Chem. formula: Ca (OH ) 2. ]

 

calcium oxide

cal ci um ox ide ▶noun a white caustic alkaline solid, commonly produced in the form of quicklime. [Chem. formula: CaO. ]

 

Oxford Dictionary

calcium

cal |cium |ˈkalsɪəm | ▶noun [ mass noun ] the chemical element of atomic number 20, a soft grey metal. (Symbol: Ca ) Calcium is one of the alkaline earth metals. Its compounds occur naturally in limestone, fluorite, gypsum, and other minerals. Many physiological processes involve calcium ions, and calcium salts are an essential constituent of bone, teeth, and shells. ORIGIN early 19th cent.: from Latin calx, calc- ‘lime ’ (see calx ) + -ium .

 

calcium antagonist

cal |cium an |tag ¦on |ist ▶noun a compound of a type that reduces the influx of calcium into the cells of cardiac and smooth muscle, reducing the strength of contractions. Drugs of this kind are used to treat angina and high blood pressure.

 

calcium carbonate

cal |cium car ¦bon |ate ▶noun [ mass noun ] a white insoluble solid occurring naturally as chalk, limestone, marble, and calcite, and forming mollusc shells and stony corals. ●Chem. formula: CaCO 3.

 

calcium chloride

cal |cium chlor |ide ▶noun [ mass noun ] a white crystalline salt used to de-ice roads and as a drying agent. ●Chem formula: CaCl 2.

 

calcium hydroxide

cal |cium hy ¦drox |ide ▶noun [ mass noun ] a soluble white crystalline solid commonly produced in the form of slaked lime. ●Chem. formula: Ca (OH ) 2.

 

calcium oxide

cal |cium oxide ▶noun [ mass noun ] a white caustic alkaline solid, commonly produced in the form of quicklime. ●Chem. formula: CaO.

 

French Dictionary

calcium

calcium n. m. nom masculin Symbole Ca (s ’écrit sans point ). Métal blanc mou. : Grand-papa doit prendre du calcium, car ses os sont fragiles. Prononciation Les lettres um se prononcent om ; le mot rime avec gomme

 

Sanseido Wisdom Dictionary

calcium

cal ci um /kǽlsiəm /〖語源は 「石灰 」〗名詞 U 〘化 〙カルシウム 〘アルカリ土類金属; ｟記号 ｠Ca 〙.～̀ c á rbide 〘化 〙炭化カルシウム, (俗に )カーバイド .～̀ c á rbonate 〘化 〙炭酸カルシウム .～̀ hydr ó xide 〘化 〙水酸化カルシウム, 消石灰 .～̀ l í ght 〘化 〙カルシウム光, 石灰光 .～̀ ó xide 〘化 〙酸化カルシウム, 生石灰 .