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- Event 146
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- Asceticism 27
- shade 320
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- Frank 74
- lavender 1
- arbitrage 99
- grayish 47
- Pad 23
: a metallic chemical element of the rare-earth group with atomic number 68 that is used especially in lasers, infrared light filters, and optical fibers see Chemical Elements Table
Example Sentences
Recent Examples on the Web Those nanoparticles contain two rare-earth elements, erbium and ytterbium, which help convert the infrared light into a higher energy green light that mammal eyes can detect. 
Courtney Linder, Popular Mechanics, 27 Aug. 2019 The beam excites the erbium atoms, which then add their energy to optical data signals passing through the fiber and boost the signals' power enough to carry them 50 miles or more before needing another boost. Josh Mchugh, WIRED, 1 Aug. 2001
Courtney Linder, Popular Mechanics, 27 Aug. 2019 The beam excites the erbium atoms, which then add their energy to optical data signals passing through the fiber and boost the signals' power enough to carry them 50 miles or more before needing another boost. Josh Mchugh, WIRED, 1 Aug. 2001 Word History
Etymology
New Latin, from Ytterby, Sweden
First Known Use
1843, in the meaning defined above
Time Traveler
The first known use of erbium was in 1843 👨🏻🏫 Mr. Ng 韋氏詞典 📚 – mw.mister5️⃣.net
切換為繁體中文