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alkaline-earth metal: Meaning and Definition of
al'ka•line-earth' met"al
Pronunciation: (al'ku-līn"ûrth', -lin-), [key]
— Chem. Chem.
- any of the group of bivalent metals including barium, radium, strontium, calcium, and, usually, magnesium, the hydroxides of which are alkalis but less soluble than those of the alkali metals.
