Lexic.us

Definition of Tantalum

1. Noun. A hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite.

Definition of Tantalum

1. 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.

Definition of Tantalum

1. Noun. A metallic chemical element (''symbol'' Ta) with an atomic number of 73. ¹

¹ Source: wiktionary.com

Definition of Tantalum

1. a metallic element [n -S] : TANTALIC [adj]

Medical Definition of Tantalum

1. 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 perplexity and difficulty encounterd by its discoverer (Ekeberg) in isolating it. See Tantalus. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Tantalum

Literary usage of Tantalum

Below you will find example usage of this term as found in modern and/or classical literature:

1. Hand-book of Chemistry by Leopold Gmelin, Henry Watts (1850)
"tantalum heated in sulphur-vapour takes fire at a temperature approaching redness, and burns with great rapidity, forming sulphide of tantalum. (Berzelius. ..."

2. A Treatise on Chemistry by Henry Enfield Roscoe, Carl Schorlemmer (1884)
"tantalum AND NITROGEN. When tantalum chloride is heated in ammonia gas to a temperature not above the point of volatilization of the sal- ammoniac which is ..."

3. A Treatise on Chemistry by Henry Enfield Roscoe, Carl Schorlemmer (1884)
"tantalum AND NITROGEN. When tantalum chloride is heated in ammonia gas to a ... If the temperature then be raised to redness black tantalum nitride, TaN", ..."

4. Hand-book of Chemistry by Leopold Gmelin, Henry Watts (1850)
"Phosphide of tantalum has not yet been prepared. b. A concentrated aqueous solution of phosphoric acid added to a solution of ..."

5. Standard Methods of Chemical Analysis: A Manual of Analytical Methods and by Wilfred Welday Scott (1922)
"Determination of Columbium and tantalum The insoluble residue obtained, ... Separation of Columbium and tantalum, Selenium Oxychloride Method.1 The method ..."

6. Standard Methods of Chemical Analysis: A Manual of Analytical Methods and by Wilfred Welday Scott (1917)
"It is well to keep the following facts in mind: tantalum is insoluble in the common mineral ... Separations Isolation of Columbium and tantalum Oxides. ..."

7. The Mineral Industry by Richard Pennefather Rothwell (1909)
"tantalum is one of the rare metals, which, not long ago were interesting only to the ... The principal use of tantalum is in the making of filaments for ..."

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