Definitions for tantalumˈtæn tl əm

This page provides all possible meanings and translations of the word tantalum

Random House Webster's College Dictionary

tan•ta•lumˈtæn tl əm(n.)

  1. 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

  1. 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

  1. tantalum(Noun)

    A metallic chemical element (symbol Ta) with an atomic number of 73.

Webster Dictionary

  1. 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

Freebase

  1. Tantalum

    Tantalum is a chemical element with the symbol Ta and atomic number 73. Previously known as tantalium, the name comes from Tantalus, a character from Greek mythology. Tantalum is a rare, hard, blue-gray, lustrous transition metal that is highly corrosion resistant. It is part of the refractory metals group, which are widely used as minor components in alloys. The chemical inertness of tantalum makes it a valuable substance for laboratory equipment and a substitute for platinum, but its main use today is in tantalum capacitors in electronic equipment such as mobile phones, DVD players, video game systems and computers. Tantalum, always together with the chemically similar niobium, occurs in the minerals tantalite, columbite and coltan.

U.S. National Library of Medicine

  1. 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)

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