noun
Technical term in physics and engineering for electromagnetic waves with wavelengths between about 1 mm and 1 m. In everyday contexts, often refers to microwave ovens or microwave radiation.
マイクロ波は通信やレーダーに使われる。
Microwaves are used in communications and radar.
電子レンジはマイクロ波で食べ物を温める。
A microwave oven heats food using microwaves.