noun
gallium arsenide (GaAs)
A compound semiconductor material used in high-speed electronics and optoelectronics.
ガリウムヒ素は、携帯電話の高周波回路に使われている。
Gallium arsenide is used in high-frequency circuits of mobile phones.
Standard spelling using the common kanji 素 for 'arsenic'.
Uses the specialized kanji 砒 for 'arsenic'; rarely seen outside technical contexts.
From English 'gallium arsenide', a calque of the chemical compound name.