Meaning of alkali metal

al'kali met"al

Pronunciation: [key]
— Chem. Chem.
  1. any of the group of univalent metals including potassium, sodium, lithium, rubidium, cesium, and francium, whose hydroxides are alkalis.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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