| NOUN | substance | 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) |
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| Meaning | Any of the monovalent metals of group I of the periodic table (lithium or sodium or potassium or rubidium or cesium or francium). | |
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| Example | "the hydroxides of the alkali metals are strongly alkaline" | |
| Synonym | alkaline metal | |
| Broader | metallic element, metal | Any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. |
| Spanish | metal alcalino | |
| Catalan | metall alcalí | |
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