alkaline-earth metal


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al·ka·line-earth metal

 (ăl′kə-lĭn-ûrth′, -līn′-)
n.
Any of a group of metallic elements, especially calcium, strontium, magnesium, and barium, but generally including beryllium and radium. Also called alkaline earth.

al′kaline-earth′ met`al


n.
any of the group of bivalent metals including barium, radium, strontium, calcium, and, usu., magnesium, the hydroxides of which are alkalis but less soluble than those of the alkali metals.

alkaline-earth metal

Any of a group of metallic elements that includes beryllium, magnesium, calcium, strontium, barium, and radium. Because the alkaline-earth metals have two electrons in their outer shell, they react easily with other elements and are found in nature only in compounds. See Periodic Table.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.alkaline-earth metal - any of the bivalent metals of group II of the periodic table (calcium or strontium or barium or magnesium or beryllium)alkaline-earth metal - 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 ?
Key statement: A modified conjugated diene-based polymer is produced that is a modified product of a conjugated diene-based polymer obtained by polymerizing a conjugated diene compound, or polymerizing a conjugated diene compound and an aromatic vinyl compound, in the presence of an alkali metal compound or an alkaline-earth metal compound.
In addition, these nonmetallic adatoms demonstrate a more strong adsorption than that of alkali and alkaline-earth metal adatoms.
Alkaline-earth metal carbonates, alkaline-earth metal sulfates, metallic oxides, oxides of metalloids, and/or siloxanes particles of 10- to 70-nm size can be added without aggregation by extrusion at up to 15 wt% loading.