gallium arsenide
noun Chemistry.
a crystalline and highly toxic semiconductor, GaAs, used in light-emitting diodes, lasers, and electronic devices.
Origin of gallium arsenide
First recorded in 1960–65
Words nearby gallium arsenide
gallinule,
galliot,
gallipoli,
gallipot,
gallium,
gallium arsenide,
gallium-67,
gallium-68,
gallivant,
galliwasp,
gallnut
Scientific definitions for gallium arsenide
gallium arsenide
A dark-gray crystalline compound used in transistors, solar cells, and semiconductor lasers. Chemical formula: GaAs.