praseodymium


Also found in: Dictionary, Thesaurus, Financial, Acronyms, Encyclopedia, Wikipedia.
Related to praseodymium: neodymium

praseodymium

 (Pr) [pra″ze-o-dim´e-um]
a chemical element, atomic number 59, atomic weight 140.907. (See Appendix 6.)

pra·se·o·dym·i·um (Pr),

(prā'sē-ō-dim'ē-ŭm),
An element of the lanthanide or "rare earth" group; atomic no. 59, atomic wt. 140.90765.
[G. prasios, leekgreen, fr. prason, a leek, + didymos, twin]

praseodymium

/pra·seo·dym·i·um/ (Pr) (pra″ze-o-dim´e-um) chemical element, at. no. 59.

praseodymium (Pr)

[prā′sē·ōdīm′ē·əm]
Etymology: Gk, prasaios, light-green, didymos, twin
a rare earth metallic element. Its atomic number is 59, and its atomic mass is 140.91.

pra·se·o·dym·i·um

(Pr) (prā'sē-ō-dim'ē-ŭm)
An element of the lanthanide or "rare earth" group; atomic no. 59, atomic wt. 140.90765.
[G. prasios, leekgreen, fr. prason, a leek, + didymos, twin]

praseodymium

a chemical element, atomic number 59, atomic weight 140.907, symbol Pr. See Table 6.
References in periodicals archive ?
Room temperature dc resistivity of NixCO1- xPryFe2-yO4 ferrites increases with increase in praseodymium concentration.
In 120 hours, the population of transmuted praseodymium atoms exceeded the remaining population of cesium atoms.
The ionic properties of that element, as well as samarium, praseodymium and dysprosium, make for some of the strongest known magnets, including some that function at temperatures high enough to remain viable in harsher settings like automobile engines.
Lanthanum, cerium, praseodymium and neodymium are the most critical rare earth elements for the metalcasting industry.
They also include praseodymium in small amounts," Ranta continues.
hydrogen + xenon + barium + tantalum + boron + praseodymium + iridium + hassium + plutonium + thallium + germanium + scandium + thulium + einsteinium + erbium + cadmium + beryllium + tin + actinium + seaborgium + carbon + fluorine + indium + osmium + nitrogen + potassium + lead + protactinium + silicon + lutetium + rhenium + mercury + argon + neodymium + platinum + thorium lanthanum + oxygen + terbium + radon + samarium + dysprosium + iodine + bohrium + aluminium + chromium + palladium + tungsten + lithium + caesium + dubnium + meitnerium + niobium + ytterbium + gallium + arsenic + iron + sodium + nobelium + francium + astatine + strontium + copper + gadolinium + yttrium + selenium + curium + chlorine + promethium + gold + uranium + antimony
Magnetic materials used in motors, hybrid cars, and wind turbines, including cobalt and such rare earths as dysprosium, neodymium, praseodymium, and samarium.
The crystal that Hedges and colleagues created is made of praseodymium, a rare earth element, combined with yttrium, silicon and oxygen.
The letter of intent also contemplates potential supply agreements pursuant to which Neo would purchase mixed rare earth carbonates, as well as neodymium and praseodymium oxides or metals from Molycorp, and a potential cooperative marketing and distribution arrangement under which Neo would market various Molycorp products.
Didymium is a metal consisting primarily of neodymium and praseodymium, and is used as raw material for neodymium-based high-performance magnetic alloys.
Of the lanthanide series, lanthanum, cerium, praseodymium, and ytterbium have been most often examined.
Accompanying the other changes, FG Sagittae's spectrum exhibited increasing amounts of barium, zirconium, yttrium, and several "rare earths," including such underappreciated elements as cerium, praseodymium, neodymium, promethium, samarium, and gadolinium.