ter·​bi·​um | \ˈtər-bē-əm \

Definition of terbium 

: a metallic element of the rare-earth group — see Chemical Elements Table

Examples of terbium in a Sentence

Recent Examples on the Web

The new magnet Toyota developed also uses no terbium or dysprosium, which can be added to neodymium to improve its operability at high heat, above 100 degrees Celsius (212 degrees Fahrenheit). Megan Geuss, Ars Technica, "Toyota’s new magnet won’t depend on some key rare-earth minerals," 28 Feb. 2018 The 16 million tons of materials could contain 780 years worth of yttrium, 620 years worth of europium, 420 years worth of terbium, and 730 years worth of dysprosium. Aj Willingham, CNN, "How the mud in this small Japanese island could change the global economy," 16 Apr. 2018 Joshua Zide, an associate professor of materials science and engineering at the University of Delaware, studies rare earth elements, particularly terbium, which is part of the chemical element combination for Saini’s discovery. Kristen A. Schmitt, Smithsonian, "Is This New Material a Game Changer for Thermoelectricity?," 10 Apr. 2017 The iPhone contains a chorus of eight rare earth elements: neodymium, praseodymium, dysprosium, terbium, gadolinium, europium, lanthanum, and yttrium. Edward Humes, WIRED, "Your iPhone’s 500,000-Mile Journey to Your Pocket," 12 Apr. 2016 Researchers at the University of Utah recently discovered that the non-toxic material composed of three chemical elements—calcium, cobalt and terbium—generates thermoelectric energy from waste heat. Kristen A. Schmitt, Smithsonian, "Is This New Material a Game Changer for Thermoelectricity?," 10 Apr. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'terbium.' 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 terbium

1843, in the meaning defined above

History and Etymology for terbium

New Latin, from Ytterby, Sweden

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The first known use of terbium was in 1843

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ter·​bi·​um | \ˈtər-bē-əm \

Medical Definition of terbium 

: a usually trivalent metallic element of the rare-earth group symbol Tb — see Chemical Elements Table

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a soft lustrous wool fabric with mohair

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