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

Examples of alkaline earth metal in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Explaining strontium abundance Strontium is an alkaline earth metal used in fireworks and glow-in-the-dark paints. — Ameya Paleja, Interesting Engineering, 18 Sep. 2026

Word History

First Known Use

1854, in the meaning defined above

Time Traveler
The first known use of alkaline earth metal was in 1854

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Cite this Entry

“Alkaline earth metal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/alkaline%20earth%20metal. Accessed 29 Sep. 2026.

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
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