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hafnium
noun
haf·ni·um ˈhaf-nē-əm 
: a metallic element that occurs especially in zirconium minerals and is used in control rods for nuclear reactors see Chemical Elements Table
Example Sentences
Recent Examples on the Web And many metals have production losses of 95 percent or higher: arsenic, gallium, germanium, hafnium, scandium, selenium, and tellurium. 
John Timmer, Ars Technica, 20 May 2022 At this point, the whole device is covered with a thin layer of hafnium oxide, an insulator that provided a bit of space between the gate and the rest of the hardware. John Timmer, Ars Technica, 10 Mar. 2022 The firm's Rare Metals division produces, reclaims, refines, and markets high-value niche metals and compounds that include gallium, indium, rhenium, tantalum, niobium, and hafnium. Moneyshow, Forbes, 19 Mar. 2021 But today who needs to know the capital of South Dakota or the atomic number of hafnium (Pierre and 72)? Louis Menand, The New Yorker, 16 Nov. 2020 Per the paper, the analysis determined that ratios of hafnium isotopes can be used to differentiate Alexandrian glass from Levantine glass decolorized with manganese. Alex Fox, Smithsonian Magazine, 5 Aug. 2020 To avoid this issue, Barfod and her colleagues decided to look into the relative ratios of isotopes of the element hafnium. Alex Fox, Smithsonian Magazine, 5 Aug. 2020 One notable example was the discovery of three particularly rare elements found — hafnium, uranium and tungsten. Fox News, 1 Aug. 2019 This turned out to be a layer of hafnium oxynitride just eight atoms thick. Daniel Oberhaus, WIRED, 11 July 2019 See More
John Timmer, Ars Technica, 20 May 2022 At this point, the whole device is covered with a thin layer of hafnium oxide, an insulator that provided a bit of space between the gate and the rest of the hardware. John Timmer, Ars Technica, 10 Mar. 2022 The firm's Rare Metals division produces, reclaims, refines, and markets high-value niche metals and compounds that include gallium, indium, rhenium, tantalum, niobium, and hafnium. Moneyshow, Forbes, 19 Mar. 2021 But today who needs to know the capital of South Dakota or the atomic number of hafnium (Pierre and 72)? Louis Menand, The New Yorker, 16 Nov. 2020 Per the paper, the analysis determined that ratios of hafnium isotopes can be used to differentiate Alexandrian glass from Levantine glass decolorized with manganese. Alex Fox, Smithsonian Magazine, 5 Aug. 2020 To avoid this issue, Barfod and her colleagues decided to look into the relative ratios of isotopes of the element hafnium. Alex Fox, Smithsonian Magazine, 5 Aug. 2020 One notable example was the discovery of three particularly rare elements found — hafnium, uranium and tungsten. Fox News, 1 Aug. 2019 This turned out to be a layer of hafnium oxynitride just eight atoms thick. Daniel Oberhaus, WIRED, 11 July 2019 See More Word History
Etymology
New Latin, from Hafnia (Copenhagen), Denmark
First Known Use
1923, in the meaning defined above
Time Traveler
The first known use of hafnium was in 1923 👨🏻🏫 Mr. Ng 韋氏詞典 📚 – mw.mister5️⃣.net
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