Definitions for tantalumˈtæn tl əm
Random House Webster's College Dictionary
tan•ta•lumˈtæn tl əm(n.)
a hard, gray, rare metallic element that resists corrosion by most acids: used for chemical, dental, and surgical instruments.
Category: Chemistry
Ref: Symbol: Ta; 5
Origin of tantalum:
< Sw (1802); after Tantalus , alluding to the nonabsorption of acids
Princeton's WordNet
tantalum, Ta, atomic number 73(noun)
a hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite
Wiktionary
tantalum(Noun)
A metallic chemical element (symbol Ta) with an atomic number of 73.
Webster Dictionary
Tantalum(noun)
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
U.S. National Library of Medicine
Tantalum
Tantalum. A rare metallic element, atomic number 73, atomic weight 180.948, symbol Ta. It is a noncorrosive and malleable metal that has been used for plates or disks to replace cranial defects, for wire sutures, and for making prosthetic devices. (Dorland, 28th ed)
Citation
Use the citation below to add this definition to your bibliography:
"tantalum." Definitions.net. STANDS4 LLC, 2013. Web. 25 May 2013. <http://www.definitions.net/definition/tantalum>.