zir·​co·​ni·​um | \ ˌzər-ˈkō-nē-əm How to pronounce zirconium (audio) \

Definition of zirconium

: a steel-gray hard ductile metallic element with a high melting point that occurs widely in combined form (as in zircon), is highly resistant to corrosion, and is used especially in alloys and in refractories and ceramics — see Chemical Elements Table

Examples of zirconium in a Sentence

Recent Examples on the Web But at $160 per kilogram, zirconium is too expensive for bulk use. Robert F. Service, Science | AAAS, "Crystalline nets harvest water from desert air, turn carbon dioxide into liquid fuel," 3 Sep. 2019 In some of the variations, the zirconium cladding is coated to minimize reactions. Mark Fischetti, Scientific American, "Safer Nuclear Reactors Are on the Way," 1 July 2019 In others, zirconium and even the uranium dioxide are replaced with different materials. Mark Fischetti, Scientific American, "Safer Nuclear Reactors Are on the Way," 1 July 2019 Some think that the ring isn't even real, and it is instead made up of cubic zirconium, a cheaper alternative to diamond. Carolyn Twersky, Seventeen, "A Complete Timeline of Tana Mongeau and Jake Paul's Relationship," 25 June 2019 The molten mixture filled the pores, and the zirconium reacted with the tungsten carbide, replacing the tungsten. John Timmer, Ars Technica, "New material could up efficiency of concentrated solar power," 19 Oct. 2018 The casing of each earbud is made out of scratch-proof zirconium dioxide, which sounds like the same ceramic material as used in RHA’s previous high-end pair, the CL1 Ceramic. Vlad Savov, The Verge, "RHA announces in-ear planar magnetic earphones with wireless option," 23 Aug. 2018 Once in its final form, the ceramic was placed in a bath of a molten mixture of copper and zirconium. John Timmer, Ars Technica, "New material could up efficiency of concentrated solar power," 19 Oct. 2018 Each little packet comes with a single-use wipe saturated with 19 percent aluminum zirconium tetrachlorohydrex glycine, the main antiperspirant ingredient in most deodorants, at one of the highest strengths available for an over-the-counter product. Chloe Metzger, Marie Claire, "The 5 Truly Spectacular Beauty Products I'm Loving This Week," 3 Aug. 2018

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

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First Known Use of zirconium

1808, in the meaning defined above

History and Etymology for zirconium

New Latin, from International Scientific Vocabulary zircon

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Time Traveler for zirconium

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The first known use of zirconium was in 1808

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Cite this Entry

“Zirconium.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/zirconium. Accessed 8 December 2019.

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More Definitions for zirconium


zir·​co·​ni·​um | \ (ˌ)zər-ˈkō-nē-əm How to pronounce zirconium (audio) \

Medical Definition of zirconium

: a steel-gray strong ductile chiefly tetravalent metallic element with a high melting point symbol Zr — see Chemical Elements Table

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More from Merriam-Webster on zirconium

Rhyming Dictionary: Words that rhyme with zirconium

Spanish Central: Translation of zirconium

Nglish: Translation of zirconium for Spanish Speakers

Britannica.com: Encyclopedia article about zirconium

Comments on zirconium

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to constrict the range or activity of

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