English noun: alkali metal | |||
1. | alkali metal (substance) any of the monovalent metals of group I of the periodic table (lithium or sodium or potassium or rubidium or cesium or francium) | ||
Samples | The hydroxides of the alkali metals are strongly alkaline. | ||
Synonyms | alkaline metal | ||
Broader (hypernym) | metal, metallic element | ||