noun
gallium nitride
A semiconductor compound used in blue LEDs, power electronics, and high-frequency devices.
窒化ガリウムは青色LEDの材料として広く使われている。
Gallium nitride is widely used as a material for blue LEDs.
Compound of 窒化 (chikka, 'nitridation') and ガリウム (gariumu, 'gallium'), a direct translation of the English term.