alkaline-earth metal

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al·ka·line-earth metal

 (ăl′kə-lĭn-ûrth′, -līn′-)
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

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 ?
Chapters are systematically compiled by groups of the periodic table, with subsections for each element in the group and each alkaline-earth metal treated in order within the subsection.
Henkel Corporation has received a patent for a flame-retardant composition comprised of a flame retardant formulation consisting essentially of at least one melamine compound, at least one metal borate, and at least one alkaline-earth metal hydroxide; at least one thermosetting resin; and an inorganic filler material present in the composition in an amount ranging from about 1 to about 60 weight percent on a basis of total weight of the composition, wherein the composition is substantially free of compounds containing a halogen, an antimony, or a phosphorus.
5% of a map odor counteractant selected from amyl cinnamaldehyde, benzophenone, benzyl benzoate, benzyl isoeugenol, benzyl phenyl acetate, benzyl salicylate, butyl cinnamate, cinnamyl butyrate, cinnamyl isovalerate, cinnamyl propionate, decyl acetate, ethyl myristate, isobutyl cinnamate, isoamyl salicylate, phenethyl benzoate, phenethyl phenyl acetate, triethyl citrate, tripropylene glycol n-butyl ether and combinations thereof; approximately 95% of at least one of an alkali metal inorganic salt and an alkaline-earth metal inorganic salt; 0.