alkaline earth

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alkaline earth

n
1. (Elements & Compounds) Also called: alkaline earth metal or alkaline earth element any of the divalent electropositive metals beryllium, magnesium, calcium, strontium, barium, and radium, belonging to group 2A of the periodic table
2. (Elements & Compounds) an oxide of one of the alkaline earth metals

al′kaline earth′


n.
any of the oxides of barium, radium, strontium, calcium, and, sometimes, magnesium.
[1810–20]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.alkaline earth - any of the bivalent metals of group II of the periodic table (calcium or strontium or barium or magnesium or beryllium)alkaline earth - any of the bivalent metals of group II of the periodic table (calcium or strontium or barium or magnesium or beryllium)
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.
References in periodicals archive ?
Some researchers reflected that alkali and alkaline earth metal cations might affect the reactivity of oil shale pyrolysis.
Key statement: A method containing a step of reacting a conjugated diene polymer having an alkali metal or alkaline earth metal active end with a hydrocarbyloxysilane compound having one or more of each of the following functional groups I and II in its molecule to obtain a modified conjugated diene polymer containing a functional group II, and a step of mixing the modified conjugated diene polymer and a compound such as organic acid.
Magnesium (Mg) is a non-metallic abundant alkaline earth metal that represents an important material for todays modern lifestyle- smartphones, automobiles, aircrafts, and other everyday essentials all require magnesium.
It is comprised of perfume; at least one nonionic surfactant; at least one alkyl benzene sulfonate; at least one olefin sulfonate; and at least one inorganic alkali metal salt or alkaline earth metal salt.
These complex oxides of alkaline earth metal elements and titanium, zirconium, or niobium and have high infrared reflectivity after firing.
The topics include experimentation and mathematical model research on air gap membrane distillation, synthesizing and characterizing a novel alkaline earth metal complex, the microstructure and corrosion resistance of black micro-arc oxidation ceramic coatings on magnesium alloy, the influence of a model's shape on molding time in a glass molding press, the effect of polyester structures on the damping property of polyurethane elastomers, using lime-mediated sewage sludge as metallurgy sintering ingredients, and changes of fibrinolytic activity of nattokinase in artificial gastrointestinal environment and human digestive juice.
Radium is an almost pure-white alkaline earth metal but it oxidises on exposure to air, becoming black.
In certain embodiments, the present invention is directed to the deposition of a zirconium-based pretreatment composition onto a substrate with the subsequent deposition of an electrodepositable coating composition, which comprises a soluble alkaline earth metal ion, onto the pretreatment composition.
Current routes for generating these alkaline earth metal oxide nanocrystals require processing at high temperatures, which causes uncontrolled growth or fusing of particles to one another-not a desirable outcome when the properties you seek are size-dependent.
Which alkaline earth metal has the chemical symbol Sr?