alkali metal

noun

Definition of alkali metal

: any of the monovalent mostly basic metals of group I of the periodic table comprising lithium, sodium, potassium, rubidium, cesium, and francium — see Periodic Table

Examples of alkali metal in a Sentence

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The brine water that has been accumulating for millennia under the Atacama is lithium-rich, and companies pump it out and send the brine to evaporation ponds where heat extracts the water and leaves the reactive alkali metal behind. Megan Geuss, Ars Technica, "Lithium giants feud over competition, brine in Chile’s Atacama Desert," 21 Oct. 2018 The calibration is done with the alkali metal cesium. Jay Bennett, Popular Mechanics, "The Centuries-Long Quest to Measure One Second," 24 Mar. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'alkali metal.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of alkali metal

1860, in the meaning defined above

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The first known use of alkali metal was in 1860

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More Definitions for alkali metal

alkali metal

noun

Medical Definition of alkali metal

: any of the univalent mostly basic metals of group I of the periodic table comprising lithium, sodium, potassium, rubidium, cesium, and francium

More from Merriam-Webster on alkali metal

Britannica.com: Encyclopedia article about alkali metal

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