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germanium

[jer-mey-nee-uh m]
noun Chemistry.
  1. a scarce, metallic, grayish-white element, normally tetravalent, used chiefly in transistors. Symbol: Ge; atomic weight: 72.59; atomic number: 32; specific gravity: 5.36 at 20°C.
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Origin of germanium

First recorded in 1885–90; German(y) + -ium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for germanium

Historical Examples

  • Other elements are named from countries or localities, as germanium and scandium.

    An Elementary Study of Chemistry

    William McPherson

  • Some of you will go to the germanium mines, some to the fishing fleet, some will be apprenticed to various trades.

  • In 1875 Lecoq de Boisbandram discovered gallium, which filled one of the gaps; scandium and germanium filled the other two later.

  • Germanium 64 is not at all stable, and neither is Neodymium 128, but the instability can be corrected by positive beta emission.

    The Bramble Bush

    Gordon Randall Garrett

  • Germanium: an ovary: that portion of an ovarian tube containing the cell elements.


British Dictionary definitions for germanium

germanium

noun
  1. a brittle crystalline grey element that is a semiconducting metalloid, occurring principally in zinc ores and argyrodite: used in transistors, as a catalyst, and to strengthen and harden alloys. Symbol: Ge; atomic no: 32; atomic wt: 72.61; valency: 2 or 4; relative density: 5.323; melting pt: 938.35°C; boiling pt: 2834°C
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Word Origin

C19: New Latin, named after Germany
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

germanium in Medicine

germanium

(jər-mānē-əm)
n. Symbol Ge
  1. A brittle crystalline gray-white metalloid element, used in certain optical glasses and dental alloys and as an intestinal astringent in veterinary medicine. Atomic number 32.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

germanium in Science

germanium

[jər-mānē-əm]
Ge
  1. A brittle, crystalline, grayish-white metalloid element that is found in coal, in zinc ores, and in several minerals. It is used as a semiconductor and in wide-angle lenses. Atomic number 32; atomic weight 72.59; melting point 937.4°C; boiling point 2,830°C; specific gravity 5.323 (at 25°C); valence 2, 4. See Periodic Table.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.