europium

noun
eu·​ro·​pi·​um | \ yu̇-ˈrō-pē-əm How to pronounce europium (audio) \

Definition of europium

: a metallic chemical element of the rare-earth group that is used especially in television screens and fluorescent lamps — see Chemical Elements Table

Examples of europium in a Sentence

Recent Examples on the Web During the last 34 million years, the fossils slowly absorbed yttrium, europium, terbium, and dysprosium from the fluid trapped in the mud. Jennifer Frazer, Scientific American, "Mining Rare-Earth Elements from...Fossilized Fish???," 21 Sep. 2020 Rare earth elements were once considered an unwanted byproduct of processing uranium until the phosphorescent properties of europium were deployed in tubes that made color television possible in the 1960s. Aldo Svaldi, The Denver Post, "A new Wheat Ridge plant will process rare earths, which aren’t so rare but are critical for iPhones and electric cars," 12 Jan. 2020 The mine started operations in the 1950s by producing europium, which was used to make red colors in early televisions. Pamela Boykoff, CNN, "This company is America's best chance to loosen China's grip on rare earths," 3 July 2019 With names like europium, scandium and ytterbium, the bulk of rare earth minerals are extracted from mines in China, where lower wages and lax environmental standards make production cheaper and easier. Washington Post, "US-China trade war sparks worries about rare earth minerals," 8 June 2019 Yet the mine's role at the center of the U.S.-China faceoff over 17 elements with names such as neodymium, terbium and europium is not without irony. David J. Lynch, Anchorage Daily News, "China hints it will choke off U.S. ‘rare earths’ access. But it’s not that easy.," 11 June 2019 Yet the mine’s role at the center of the U.S.-China faceoff over 17 elements with names such as neodymium, terbium and europium is not without irony. David J. Lynch, Washington Post, "China hints it will choke off U.S. ‘rare earths’ access. But it’s not that easy.," 10 June 2019 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 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

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

See More

First Known Use of europium

1901, in the meaning defined above

History and Etymology for europium

New Latin, from Europa Europe

Keep scrolling for more

Learn More about europium

Time Traveler for europium

Time Traveler

The first known use of europium was in 1901

See more words from the same year

Statistics for europium

Last Updated

29 Sep 2020

Cite this Entry

“Europium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/europium. Accessed 30 Oct. 2020.

Keep scrolling for more

More Definitions for europium

europium

noun
eu·​ro·​pi·​um | \ yu̇-ˈrō-pē-əm How to pronounce europium (audio) \

Medical Definition of europium

: a bivalent and trivalent metallic element of the rare-earth group found in monazite sand symbol Eu — see Chemical Elements Table

More from Merriam-Webster on europium

Britannica.com: Encyclopedia article about europium

Comments on europium

What made you want to look up europium? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

Here Be Dragons: A Creature Identification Quiz

  • monster werewolf photo
  • Which is a synonym of werewolf?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Syn City

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!