Noun: alkali metal 'al-ku,lI'me-t(u)l
- Any of the monovalent metals of group I of the periodic table (lithium, sodium, potassium, rubidium, caesium or francium)
"the hydroxides of the alkali metals are strongly alkaline";
- alkaline metal
Derived forms: alkali metals
Type of: metal, metallic element
Encyclopedia: Alkali metal