What does "alkaline metal" mean?

any of the monovalent metals of group I of the periodic table (lithium or sodium or potassium or rubidium or cesium or francium)

What is a synonym for "alkaline metal"?

Common synonyms include: alkali metal.

Rare ·Advanced level

Noun

1
any of the monovalent metals of group I of the periodic table (lithium or sodium or potassium or rubidium or cesium or francium) wordnet