yttrium

(Y) Type: Term Pronunciation: it′rē-ŭm Definitions: 1. A metallic element, atomic no. 39, atomic wt. 88.90585.
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Yttrium

Yttrium is a chemical element with symbol Y and atomic number 39. It is a silvery-metallic transition metal chemically similar to the lanthanides and it has often been classified as a `rare earth element`. Yttrium is almost always found combined with the lanthanides in rare earth minerals and is never found in nature as a free element. Its only .....
Found on http://en.wikipedia.org/wiki/Yttrium

yttrium

[n] - a silvery metallic element that is common in rare-earth minerals
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Yttrium

Yttrium is a lanthanide group metal which is found in most rare earth minerals, particularly yttrotantalite which, whilst containing yttrium and tantalum, also contains niobium, cerium, uranium, iron and calcium in varying amounts. The metal is stable in air due to the formation of an oxide film, but it will burn easily and will react with water to...
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yttrium

a rare trivalent metallic element, found in gadolinite and other minerals. Symbol: Y, at. wt.: 88.905, at. no.: 39, sp. gr.: 4.47. Cf.'rare-earth element.'
Found on http://www.encyclo.co.uk/local/20728

yttrium

Y. Element 39, atomic weight 88.90585, a dark gray metal that is used in alloys and nuclear technology for its high neutron transparency. Yttrium compounds are used in the manufacture of color tv screens, superconducting ceramics, and fireproof bricks.
Found on http://antoine.frostburg.edu/chem/senese/101/glossary/y.shtml

Yttrium

Yttrium: A rare elemental metal. A radioactive form of yttrium is used in radiation therapy and some types of immunotherapy.
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Yttrium

Yt'tri·um noun [ New Latin , from Ytter by, in Sweden. See Erbium .] (Chemistry) 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, 89. [ Written also ittrium .] &#x...
Found on http://www.encyclo.co.uk/webster/Y/8

yttrium

<chemistry> 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. ... Alternative forms: ittrium. ... Associated with yttrium are certain rare elements, as erbium, ytterbium, samarium, etc, which are separated in a pure state with great ...
Found on http://www.encyclo.co.uk/local/20973

yttrium

Y noun a silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys
Found on https://www.encyclo.co.uk/local/20974

yttrium

(Y) (ĭ´tre-әm) a chemical element, atomic number 39, atomic weight 88.905. yttrium 90 an artificial radioactive isotope of yttrium that emits high energy beta particles and localizes predominantly in bone; used as a tracer in nuclear medicine.
Found on http://www.encyclo.co.uk/local/21001

Yttrium

• (n.) 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, 89.
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yttrium

(Y), chemical element, rare-earth metal of transition Group IIIb of the periodic table, used for red phosphors in colour television. Yttrium metal is ... [2 related articles]
Found on http://www.britannica.com/eb/a-z/y/13

yttrium

(Y) A silvery-white rare-earth element of group III of the periodic table; it is used in alloys and as a 'getter' to help evacuate electron tubes. First isolated in 1828, yttrium is found in monzate sand, bastnaesite, and gadolinite; it was also found in lunar rock samples colle...
Found on http://www.daviddarling.info/encyclopedia/Y/yttrium.html

yttrium

yttrium (it'rēum) [for Ytterby, a town in Sweden], metallic chemical element; symbol Y; at. no. 39; at. wt. 88.9059; m.p. about 1,522°C; b.p. 3,338°C; sp. gr. about 4.45; valence +3. Yttrium is a highly crystalline iron-gray metal. Usually considered a rare-earth metal, it is found...
Found on http://www.infoplease.com/ce6/sci/A0853179.html

Yttrium

Yttrium is a metal element with the symbol Y. It is one of the transition elements in group 3 (or IIIb) of the periodic table. Yttrium melts at about 15220 Celsius, boils at about 33380 Celsius. It is sometimes included among the rare earth elements. It was isolated by the German chemist Friedrich Wohler. Yttrium metal, which has a silvery lustre, ...
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yttrium

Silver-grey, metallic element, atomic number 39, relative atomic mass 88.905. It is associated with and resembles the rare-earth elements (lanthanides), occurring in gadolinite, xenotime, and other minerals. It is used in colour-television tubes and to reduce steel corrosion. The name derives from the Swedish town of Ytterby, near where...
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yttrium

A metal of the rare earth group of elements. A radioactive form of yttrium may be attached to a monoclonal antibody or other molecule that can locate and bind to cancer cells and be used to diagnose or treat some types of cancer.
Found on http://www.cancer.gov/dictionary?expand=Y

Yttrium

An uncommon elemental metal, the radioactive form of which is used in some kinds of immunotherapy, and radiation therapy.
Found on http://www.buzzle.com/articles/medical-glossary-definitions-of-medical-term

Yttrium

Element 39, atomic weight 88.90585, a dark gray metal that is used in alloys and nuclear technology
Found on http://www.superglossary.com/Glossary/Science/Chemistry/
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