germanium
  • noun a brittle grey crystalline element with both metallic and non-metallic properties used in semiconductors and alloys
  • A lustrous gray-white semimetallic chemical element whose atomic number is 32. It is a semiconductor, may be doped with metals such as arsenic or gallium, and is available in purities of better than 1 part per 1010. It has over 25 known isotopes, of which 5 are stable. In addition to its utilization in semiconductor devices such as transistors and diodes, it is used as a phosphor, and in special glasses and lenses used for spectroscopy and microscopy. Its chemical symbol is Ge.
  • chemical symbol Ge

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