Noun: alkaline metal 'al-ku,lIn 'me-t(u)l
- Any of the monovalent metals of group I of the periodic table (lithium, sodium, potassium, rubidium, caesium or francium)
"Sodium is an alkaline metal that reacts vigorously with water";
- alkali metal
Derived forms: alkaline metals
Type of: metal, metallic element
Encyclopedia: Alkaline metal