an electromagnetic wave with a wavelength in the range 0.001–0.3 m, shorter than that of a normal radio wave but longer than those of infrared radiation. Microwaves are used in radar, in communications, and for heating in microwave ovens and in various industrial processes 微波(波长通常为0.001-0.3米的电磁波) ■short for microwave oven microwave oven的简称
verb
[with obj.]cook (food) in a microwave oven 用微波炉烹调(食物)