germanium germanium


  • (n) a brittle grey crystalline element that is a semiconducting metalloid (resembling silicon) used in transistors; occurs in germanite and argyrodite




  1. In the outer shell of its atom, germanium has four electrons.
  2. Until this time, nearly all transistors had utilized germanium because it was easier to prepare in pure form.
  3. The invention of transistors twelve years ago enabled a speck of germanium to do the work of the vacuum tube, but most of the rest of the circuitry was still needed.


  • Atomic weights of five elements tweaked

    By Megan Gannon LiveScienceStandard atomic weights, those numbers emblazoned under the elements on the periodic table, were once thought of as unchanging constants of nature.But researchers have tweaked the atomic weights of five elements — magnesium, bromine, germanium, indiumand mercury — in a new table published by the International Union of Pure and Applied Chemistry (IUPAC).To calculate ...
    on June 15, 2013     Source: NBC NEWS

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definition of germanium


  1. "We planned it (silicon germanium) all along with 65-nanometer, but we were prepared to pull the plug on it if it didn't add up to a benefit," Kepler said. "Adding embedded silicon germanium is probably the biggest change."
    on Dec 4, 2006 By: Johannes Kepler Source: CNET

  2. "In retrospect, we could say the groundwork for this was laid more than 56 years ago with John Bardeen and Walter Brattain and their first germanium transistor," said Holonyak, who was Bardeen's first graduate student. "But the direct...
    on Jan 6, 2004 By: Nick Holonyak Jr Source: Science Daily (press release)

  3. "The coaching staff brought some bathing ingredients from Japan for us too -- onsen minerals or something," said Nakamura. "I think there was germanium too. I also got some from fans at the airport when we left. It helps get rid of fatigue...
    on Jul 23, 2007 By: Shunsuke Nakamura Source: Reuters UK

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