Yttrium

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Yttrium Meaning and Definition in Dictionary

Yttrium Meaning and Definition from WordNet (r) 2.0
    yttrium n : a silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys [syn: Y, atomic number 39]
Yttrium Meaning and Definition from Webster's Revised Unabridged Dictionary (1913)
    Yttrium \Yt"tri*um\, n. [NL., from Ytterby, in Sweden. See Erbium.] (Chem.) A rare metallic element of the boron-aluminium group, found in gadolinite and other rare minerals, and extracted as a dark gray powder. Symbol Y. Atomic weight, 8
  1. [Written also ittrium.] Note: Associated with yttrium are certain rare elements, as erbium, ytterbium, samarium, etc., which are separated in a pure state with great difficulty. They are studied by means of their spark or phosphorescent spectra. Yttrium is now regarded as probably not a simple element, but as a mixture of several substances.

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Wikipedia Meaning and Definition on 'Yttrium'


  • Yttrium: Yttrium. (icon | ˈ | ɪ | t | r | i | əm IT | ree-əm is a chemical element with symbol Y and atomic number 39. It is a silvery-metallic ...
  • Isotopes of yttrium: Natural yttrium (Y) is composed of only one isotope 89 Y. The most stable radioisotope s are 88 Y which has a half life of 106.65 days ...
  • Yttrium(III) oxide: Yttrium oxide is Y 2 O 3. It is an air-stable, white solid substance. Yttrium oxide is used as a common starting material for both ...
  • Yttrium borides: Yttrium boride refers to a crystalline material composed of different proportions of yttrium and boron, such as YB 2, YB 4, YB 6, YB 12, YB ...
  • Yttrium(III) chloride: Yttrium(III) chloride (YCl 3) is an ionic compound of yttrium and chlorine . It is a salt that is solid at room temperature, highly ...
  • Yttrium aluminium garnet: Yttrium aluminium garnet (YAG, Y 3 Al 5 O 12) is a synthetic crystal line material of the garnet group. other two being yttrium ...
  • Yttrium(III) fluoride: Yttrium(III) fluoride (Y F sub 3/sub ) is an inorganic chemical compound . It is not known naturally in 'pure' form. essential yttrium ...
  • Yttrium barium copper oxide: Yttrium barium copper oxide, often abbreviated YBCO, is a crystal line chemical compound with the formula Y Ba 2 Cu 3 O 7. ...
  • Yttrium orthovanadate: Yttrium orthovanadate (YVO 4) is a transparent crystal. It is commonly doped with neodymium to form Nd:YVO sub 4/sub , an active laser ...
  • Yttrium(III) bromide: Yttrium(III) bromide (Y Br sub 3/sub ) is an inorganic chemical compound . References: date May 2009 Category:Bromides Category:Yttrium ...

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Yttrium Sample Sentences in News


  • Rare Earths -- What are They and How are They Used? [SLIDESHOW]
    Ellen Baran Rare earths are a set of 17 chemical elements in the periodic table, specifically 57 through 71. Additionally, there are two more elements, scandium and yttrium, that are considered rare earth elements because they tend to occur in the same ore deposits and exhibit similar chemical properties. read more Read more on this news related to 'Yttrium'
  • A Periodic Table Of Fictional Elements
    Unobtainium. Bazoolium. Moonsilver. These elements all have one thing in common: they're not real. The periodic table is in large part a mystic mystery to those of us without a science background. What is Osmium? Roentgenium? Yttrium? We know these things . . . exist, but we don't know how and we don't know in what form and we don't know where. So Read more on this news related to 'Yttrium'

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