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gallium arsenide
noun
, Chemistry.
- a crystalline and highly toxic semiconductor, GaAs, used in light-emitting diodes, lasers, and electronic devices.
gallium arsenide
- 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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[gal-uh-maw-free ]
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