scandium
Americannoun
noun
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A soft, silvery, very lightweight metallic element that is found in various rare minerals and is a byproduct in the processing of certain uranium ores. It has a high melting point and is used to make high-intensity lights. Atomic number 21; atomic weight 44.956; melting point 1,540°C; boiling point 2,850°C; specific gravity 2.99; valence 3.
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See Periodic Table
Etymology
Origin of scandium
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
With important electrical and magnetic qualities, rare earths consist of 17 elements in the lanthanide group of the periodic table, plus scandium and yytrium.
From BBC
“The markets are small for those products,” Hopkins said, adding testing continues on the economics of extracting smelter-grade alumina, a key component of the aluminum supply chain, along with scandium and vanadium.
Rubidium and cesium, which are used for atomic clocks, can be found at the Utah site, along with scandium, which is essential for the aerospace industry.
These include scandium, yttrium and the lanthanides, which account for 15 chemical elements in the periodic table.
From MarketWatch
The region holds deposits of many of the very elements China has placed under export controls: yttrium, scandium, erbium, europium, ytterbium, samarium, and lutetium.
From Barron's
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
