alkali metal
1Alkali metal — Any one of the univalent metals of group I of the periodic table of the elements, including lithium, sodium, potassium, rubidium, cesium, and francium. The hydroxides of these metals are soluble in water and form strongly basic solutions. [PJC.] …
2alkali metal — n any of the univalent mostly basic metals of group I of the periodic table comprising lithium, sodium, potassium, rubidium, cesium, and francium * * * one of a group of monovalent metals including lithium, sodium, potassium, rubidium, and cesium …
3alkali metal — n. Chem. any of the six highly reactive metals in group IA of the periodic table including, in increasing order of reactivity, lithium, sodium, potassium, rubidium, cesium, and francium: see the periodic table of elements in the Reference… …
4alkali metal — Chem. any of the group of univalent metals including potassium, sodium, lithium, rubidium, cesium, and francium, whose hydroxides are alkalis. [1880 85] * * * Any of the six chemical elements in the leftmost group of the periodic table (lithium,… …
5Alkali metal — Group → 1 ↓ Period 2 3 Li 3 …
6alkali metal — UK / US noun [countable] Word forms alkali metal : singular alkali metal plural alkali metals chemistry a soft, white metal that is a chemical element. Lithium, sodium, and potassium are alkali metals …
7alkali metal — šarminis metalas statusas T sritis fizika atitikmenys: angl. alkali metal vok. Alkalimetall, n rus. щелочной металл, m pranc. métal alcalin, m …
8Alkali-metal thermal to electric converter — The Alkali Metal Thermoelectric Converter (AMTEC) is a thermally regenerative electrochemical device for the direct conversion of heat to electrical energy. It is characterized by high potential efficiencies and no moving parts, which make it a… …
9alkali metal — noun 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 • Syn: ↑alkaline metal • Hypernyms: ↑metallic element …
10alkali metal — noun Any of the soft, light, reactive metals of Group 1 of the periodic table; lithium, sodium, potassium, rubidium, cesium, and francium. See Also: alkaline earth metal …
