Look up: tantalum

1. tantalum
   [n] - a hard gray lustrous metallic element that is highly corrosion-resistant
   Found on http://www.webdictionary.co.uk/definitio
   
   
2. Tantalum
   Tantalum is a shiny, silvery coloured metal which is heavy, dense, malleable and ductile when pure. It is found in small quantities in minerals (generally in conjunction with niobium), and is isolated by conversion to the oxide and then the fluoro-complex, K2 TaF7 , from which the pure metal is obta...
   Found on http://www.diracdelta.co.uk/science/sour
   
   
3. Tantalum
   Tan'ta·lum noun [ New Latin So named on account of the perplexity and difficulty encounterd by its discoverer (Ekeberg) in isolating it. See Tantalus .] (Chemistry) A rare nonmetallic element found in certain minerals, as tantalite, samarski...
   Found on http://www.encyclo.co.uk/webster/T/10
   
   
4. tantalum
   <chemistry> A rare nonmetallic element found in certain minerals, as tantalite, samarskite, and fergusonite, and isolated as a dark powder which becomes steel-gray by burnishing. Symbol Ta. Atomic weight 182.0. Formerly called also tantalium. ... Origin: NL. So named on account of the perplexi...
   Found on http://www.mondofacto.com/facts/dictiona
   
   
5. tantalum
   Ta noun a hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite
   Found on http://wordnetweb.princeton.edu/perl/web
   
   
6. tantalum
   (Ta) (tan´tә-lәm) a chemical element, atomic number 73, atomic weight 180.948. It is a noncorrosive and malleable metal used for plates or disks to repair cranial defects, for wire sutures, and for making prosthetic appliances.
   Found on http://www.encyclo.co.uk/local/21001
   
   
7. Tantalum
   • (n.) A rare nonmetallic element found in certain minerals, as tantalite, samarskite, and fergusonite, and isolated as a dark powder which becomes steel-gray by burnishing. Symbol Ta. Atomic weight 182.0. Formerly called also tantalium.
   Found on http://thinkexist.com/dictionary/meaning
   
   
8. tantalum
   (Ta), chemical element, very hard, silver-gray metal of Group Vb of the periodic table, characterized by its high density, extremely high melting ... [5 related articles]
   Found on http://www.britannica.com/eb/a-z/t/11
   
   
9. tantalum
   tantalum (tăn'tulum) [from Tantalus], metallic chemical element; symbol Ta; at. no. 73; at. wt. 180.9479; m.p. 2,996°C; b.p. 5,400±100°C; sp. gr. 16.65 at 20°C; valence +2, +3, +4, or +5. Tantalum is a rare, hard, blue-gray metal with a body-centered cubic crystalline stru...
   Found on http://www.infoplease.com/ce6/sci/A08478
   
   
10. Tantalum
    Tantalum is a rare silvery-looking metal element with the symbol Ta. It is found chiefly in tantalite and obtained by reducing to potassium flouro-tantalate by means of sodium followed by fusion in vacuo. Tantalum is used as a wire in electric lamps. Tantalum was discovered by A G Ekeberg in 1802, b...
    Found on http://www.probertencyclopaedia.com/brow
    
    
11. tantalum
    (Ta) Type: Term Pronunciation: tan′tă-lŭm Definitions: 1. A heavy metal of the vanadium group, atomic no. 73, atomic wt. 180.9479; used in surgical prostheses because of its noncorrosive properties.
    Found on http://www.medilexicon.com/medicaldictio
    
    
12. tantalum
    Hard, ductile, lustrous, grey-white, metallic element, atomic number 73, relative atomic mass 180.948. It occurs with niobium in tantalite and other minerals. It can be drawn into wire with a very high melting point and great tenacity, useful for lamp filaments subject to vibration. It is also used in alloys, for corrosion-resistant laborat...
    Found on http://www.talktalk.co.uk/reference/ency
    
    
13. Tantalum
    `Tantalum` ( ) is a chemical element with the symbol `Ta` and atomic number 73. Previously known as tantalium, the name comes from Tantalus, a hero in Greek mythology. Tantalum is a rare, hard, blue-gray, lustrous transition metal that is highly corrosion resistant. It is part of the r...
    Found on http://en.wikipedia.org/wiki/Tantalum