Lexic.us

Definition of Rubidium

1. Noun. A soft silvery metallic element of the alkali metal group; burns in air and reacts violently in water; occurs in carnallite and lepidolite and pollucite.

Definition of Rubidium

1. n. A rare metallic element. It occurs quite widely, but in small quantities, and always combined. It is isolated as a soft yellowish white metal, analogous to potassium in most of its properties. Symbol Rb. Atomic weight, 85.2.

Definition of Rubidium

1. Noun. A metallic chemical element (''symbol'' Rb) with an atomic number of 37. ¹

¹ Source: wiktionary.com

Definition of Rubidium

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

Medical Definition of Rubidium

1. A rare metallic element. It occurs quite widely, but in small quantities, and always combined. It is isolated as a soft yellowish white metal, analogous to potassium in most of its properties. Origin: NL, fr. L. Rubidus red, fr. Rubere to be red. So called from two dark red spectroscopic lines by means of which it was discovered in the lepidolite from Rozena, Moravia. Abbreviation: Rb (17 Mar 1998)

Lexicographical Neighbors of Rubidium

Literary usage of Rubidium

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

1. A Treatise on Chemistry by Henry Enfield Roscoe, Carl Schorlemmer (1884)
"When thrown on to water rubidium burns like potassium. The hydrate is best prepared by adding baryta-water to a solution of rubidium sulphate. ..."

2. A Dictionary of Chemical Solubilities: Inorganic by Arthur Messinger Comey, Dorothy Anna Hahn (1921)
"C = pts. by wt.of Rbl in 100 ccm. of the sat. solution. L = no. of litres which at the saturation temp, hold in solution 1 mol. Rbl. rubidium ..."

3. A Dictionary of Chemical Solubilities: Inorganic by Arthur Messinger Comey, Dorothy Anna Hahn (1921)
"rubidium hydroxide, RbOH. Deliquescent, and very sol. in H2O. Sol. in alcohol. (Bunsen.) Sat. RbOH+Aq contains 64.17% RbOH at ..."

4. A Dictionary of Chemistry and the Allied Branches of Other Sciences by Henry Watts (1869)
"»nd rubidium m»y be separated by the different solubilities of their alums at ... Metallic rubidium was first obtained by electrolysis of the fused chloride ..."

5. Elements of Chemistry: Theoretical and Practical by William Allen Miller (1864)
"rubidium is decidedly more electropositive than potassium : when thrown upon water it takes ... If fused chloride of rubidium is submitted to electrolysis, ..."

6. Report of the Annual Meeting (1883)
"By CHARLES T. HEYCOCK, BA The element rubidium has an atomic weight assigned to ... The crude rubidium chloride was obtained from Dr. Theodore Schuchardt of ..."

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