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gallium arsenide

noun

, Chemistry.
  1. a crystalline and highly toxic semiconductor, GaAs, used in light-emitting diodes, lasers, and electronic devices.


gallium arsenide

  1. A dark-gray crystalline compound used in transistors, solar cells, and semiconductor lasers. Chemical formula: GaAs.


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Word History and Origins

Origin of gallium arsenide1

First recorded in 1960–65

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gallimaufry

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