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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