1. electromagnetic waves with frequencies between radio waves and infrared radiation
Usage: physics
2. microwave ovens
Usage: informal

1. cooks or heats food using a microwave oven

Examples

• Microwaves are used in radar and satellite communications.
• The microwaves penetrate the food and heat it from the inside.
• We bought two new microwaves for the office kitchen.
• She microwaves her lunch every day at work.
• He microwaves the leftovers for dinner.
• The restaurant microwaves frozen meals quickly.
• Microwaves have frequencies between 300 MHz and 300 GHz.