Look up: zirconium

1. zirconium
   [n] - a lustrous gray strong metallic element resembling titanium
   Found on http://www.webdictionary.co.uk/definitio
   
   
2. Zirconium
   Zirconium is a hard, lustrous, silvery coloured metal which is extracted from its ores (the oxide or zircon, ZrSiO₄) by conversion to the tetrahalide followed by reduction with magnesium. The metal is extremely corrosion resistant due to the formation of a stable oxide film and is unaffec...
   Found on http://www.diracdelta.co.uk/science/sour
   
   
3. zirconium
   Zr. Element 40, atomic weight 91.22, a hard, grayish, highly flammable crystalline metal that dissolves in hot concentrated acids. Used in steel manufacture and in nuclear reactor chambers because of its transparency to neutrons. Its silicate is used to make zircon used as a gemstone.
   Found on http://antoine.frostburg.edu/chem/senese
   
   
4. zirconium
   a steel-gray strong ductile chiefly tetravalent metallic element with a high melting point that occurs widely in combined form,is highly resistant to corrosion and is used especially in alloys and in refractories and ceramics Category: Iron and steel industries
   Found on http://www.mijnwoordenboek.nl/definition
   
   
5. Zirconium
   Zir·co'ni·um noun [ New Latin ] (Chemistry) A rare element of the carbon-silicon group, intermediate between the metals and nonmetals, obtained from the mineral zircon as a dark sooty powder, or as a gray metallic crystalline substance. Symbol Zr. Atomic weight, 90.4.
   Found on http://www.encyclo.co.uk/webster/Z/4
   
   
6. zirconium
   <chemistry> A rare element of the carbon-silicon group, intermediate between the metals and nonmetals, obtained from the mineral zircon as a dark sooty powder, or as a gray metallic crystalline substance. Symbol Zr. ... Source: Websters Dictionary ... (01 Mar 1998) ...
   Found on http://www.mondofacto.com/facts/dictiona
   
   
7. zirconium
   Zr noun a lustrous grey strong metallic element resembling titanium; it is used in nuclear reactors as a neutron absorber; it occurs in baddeleyite but is obtained chiefly from zircon
   Found on http://wordnetweb.princeton.edu/perl/web
   
   
8. zirconium
   (Zr) (zir-ko´ne-әm) a chemical element, atomic number 40, atomic weight 91.22.
   Found on http://www.encyclo.co.uk/local/21001
   
   
9. Zirconium
   • (n.) A rare element of the carbon-silicon group, intermediate between the metals and nonmetals, obtained from the mineral zircon as a dark sooty powder, or as a gray metallic crystalline substance. Symbol Zr. Atomic weight, 90.4.
   Found on http://thinkexist.com/dictionary/meaning
   
   
10. zirconium
    chemical element, metal of Group IVb of the periodic table, used as a structural material for nuclear reactors.[5 related articles]
    Found on http://www.britannica.com/eb/a-z/z/9
    
    
11. Zirconium
    Zirconium (m {respell|zər|KOH|nee-əm}) is a chemical element with the symbol Zr and atomic number 40. The name of zirconium is taken from the mineral zircon. Its atomic mass is 91.224. It is a lustrous, gray-white, strong transition metal that resembles titanium. Zirconium is mainly used as a ref...
    Found on http://en.wikipedia.org/wiki/Zirconium
    
    
12. zirconium
    (Zr) A silvery-white, metallic element in group IVB of the periodic table; zirconium is a transition element. It was discovered in 1789 by M. H. Klaproth in Berlin; its name comes from the Arabic zargun meaning 'gold color.' Zirconium occurs naturally as baddeleyite (ZrO&...
    Found on http://www.daviddarling.info/encyclopedi
    
    
13. zirconium
    zirconium (zurkō'nēum) , metallic chemical element; symbol Zr; at. no. 40; at. wt. 91.22; m.p. about 1,852°C; b.p. 4,377°C; sp. gr. 6.5 at 20°C; valence +2, +3, or +4.Zirconium is a very strong, malleable, ductile, lustrous silver-gray metal. At ordinary temperatures it h...
    Found on http://www.infoplease.com/ce6/sci/A08534
    
    
14. Zirconium
    Zirconium is a lustrous, greyish-white, strong, ductile, metallic element, with the symbol Zr. It occurs in nature as the mineral zircon (zirconium silicate), from which it is obtained commercially. It is used in some ceramics, alloys for wire and filaments, steel manufacture, and nuclear reactors, where its low neutron absorption is advantageous.
    Found on http://www.probertencyclopaedia.com/brow
    
    
15. zirconium
    (Zr) Type: Term Pronunciation: zir-kō′nē-ŭm Definitions: 1. A metallic element, atomic no. 40, atomic wt. 91.224; widely distributed in nature, but never found in quantity in any one place.
    Found on http://www.medilexicon.com/medicaldictio
    
    
16. zirconium
    Lustrous, greyish-white, strong, ductile, metallic element, atomic number 40, relative atomic mass 91.22. It occurs in nature as the mineral zircon (zirconium silicate), from which it is obtained commercially. It is used in some ceramics, alloys for wire and filaments, steel manufacture, and nuclear reactors, where its low neutron absorption is...
    Found on http://www.talktalk.co.uk/reference/ency