microwave

(noun) a short electromagnetic wave (longer than infrared but shorter than radio waves); used for radar and microwave ovens and for transmitting telephone, facsimile, video and data.

(noun) kitchen appliance that cooks food by passing an electromagnetic wave through it; heat results from the absorption of energy by the water molecules in the food. Synonyms: microwave oven.

(verb) cook or heat in a microwave oven. Synonyms: micro-cook, zap, nuke. Example: "You can microwave the leftovers."