noun
arsenide
A chemical compound of arsenic with a more electropositive element. Technical term used in chemistry.
ガリウムヒ化物は半導体材料として使われる。
Gallium arsenide is used as a semiconductor material.
Compound of ヒ (arsenic, from German 'Arsen' via Dutch or directly from the element symbol) + 化物 (compound, chemical compound).