alkaline earth metal

noun

: any of the divalent strongly basic metals of group II of the periodic table comprising beryllium, magnesium, calcium, strontium, barium, and radium

called also alkaline earth

see Periodic Table

Word History

First Known Use

1854, in the meaning defined above

Kids Definition

alkaline-earth metal

noun

: any of the strongly basic metals consisting of beryllium, magnesium, calcium, strontium, barium, and radium

called also alkaline earth

Medical Definition

alkaline earth metal

noun

: any of the bivalent strongly basic metals of group II of the periodic table comprising beryllium, magnesium, calcium, strontium, barium, and radium