stron·​tium | \ ˈsträn(t)-sh(ē-)əm How to pronounce strontium (audio) , ˈsträn-tē-əm \

Definition of strontium

: a soft malleable ductile metallic element of the alkaline-earth group occurring only in combination and used especially in color TV tubes, in crimson fireworks, and in the production of some ferrites — see Chemical Elements Table

Examples of strontium in a Sentence

Recent Examples on the Web Older rock formations including granite are found to have more strontium than younger rocks like basalt, and this is reflected in the vegetation that grows around them. Katie Hunt, CNN, 17 Apr. 2022 The particles were not enriched with calcium and strontium, which would be present if the particles were from Earth. Elizabeth Gamillo, Smithsonian Magazine, 13 Apr. 2022 Using chemical analysis on the teeth, the researchers will try to determine if the people lived in Africa before coming to the U.S. Elements such as calcium and strontium in food are incorporated into the teeth and bones. CBS News, 11 Apr. 2022 The elements strontium and lithium will produce red light. David Bressan, Forbes, 4 July 2021 Researchers looked at the signatures of different isotopes or variants of the element strontium in the beads -- these vary depending on where the ostriches would have fed before laying the eggs. Katie Hunt, CNN, 17 Apr. 2022 By analyzing the strontium, the researchers hope to tell where the people lived. CBS News, 11 Apr. 2022 Ye’s team at NIST isolated and suspended the strontium atoms in a vacuum chamber using a laser. Manasee Wagh, Popular Mechanics, 28 Mar. 2022 The ytterbium and aluminum clocks were housed in one lab in Boulder, Colorado, and the strontium clock was housed in another lab just under a mile across town, according to NPR. Alex Fox, Smithsonian Magazine, 1 Apr. 2021 See More

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

First Known Use of strontium

1808, in the meaning defined above

History and Etymology for strontium

New Latin, from strontia strontium oxide, from obsolete English strontian, from Strontian, village in Scotland

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The first known use of strontium was in 1808

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strontium 90

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Last Updated

27 May 2022

Cite this Entry

“Strontium.” Dictionary, Merriam-Webster, Accessed 27 Jun. 2022.

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More Definitions for strontium


stron·​tium | \ ˈsträn-ch(ē-)əm How to pronounce strontium (audio) , ˈstränt-ē-əm How to pronounce strontium (audio) \

Medical Definition of strontium

: a soft malleable ductile bivalent metallic element of the alkaline-earth group occurring only in combination symbol Sr — see Chemical Elements Table

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