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1. (n.) alkali metal
any of the group of univalent metals including potassium, sodium, lithium, rubidium, cesium, and francium, whose hydroxides are alkalis.
Etymology: (1880–85)
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| Definition of 'alkali metal' |
Princeton's WordNet |
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1. (noun) alkali metal, alkaline metal
any of the monovalent metals of group I of the periodic table (lithium or sodium or potassium or rubidium or cesium or francium)
"the hydroxides of the alkali metals are strongly alkaline"
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