from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A silvery-white metallic element found in various rare minerals and separated as a byproduct in the processing of certain uranium ores. An artificially produced radioactive isotope is used as a tracer in studies of oil wells and pipelines. Atomic number 21; atomic weight 44.956; melting point 1,540°C; boiling point 2,850°C; specific gravity 2.99; valence 3. See Table at element.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A metallic chemical element, atomic number 21, obtained from some uranium ores; it is a transition element.
from the GNU version of the Collaborative International Dictionary of English
- n. A rare metallic element of the boron group, whose existence was predicted under the provisional name ekaboron by means of the periodic law, and subsequently discovered by spectrum analysis in certain rare Scandinavian minerals (euxenite and gadolinite). It has not yet been isolated. Symbol Sc. Atomic weight 44.
from The Century Dictionary and Cyclopedia
- n. Chemical symbol, Sc; atomic weight, 44. An elementary body discovered by Nilson in 1879, by the help of the spectroscope, in the Scandinavian mineral euxenite.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a white trivalent metallic element; sometimes classified in the rare earth group; occurs in the Scandinavian mineral thortveitite
The name scandium was derived from the Latin word Scandia which means Scandinavia.
There is a mad quest among nations now to find new rare-earth reserves - elements such as scandium, yttrium and lanthanum, to list just a few.
I look forward to his discussion of scandium and yttrium.
The materials (including scandium, yttrium and a group of elements called the lanthanides) have specific chemical and physical properties that make them useful in improving the performance of computer hard drives and catalytic converters, mobile phones, hi-tech televisions, sunglasses and lasers.
Check out the 44 Mag S&W 629, lightweight, constructed with scandium allow, I think you will trade in that 357 before your mext trip.
Im minus 7% body fat now, bones replaced w/lightweight scandium alloy!
I believe S&W is the largest single user of scandium.
Rare earths is a generic term that includes minerals such as scandium, lanthanum and yttrium.
China controls up to 97% of world production of these elements — which include samarium, scandium and yttrium — and its export quotas for this year are nearly exhausted.
For our story, only the lanthanides are relevant, so let's focus on those, along with scandium and yttrium.