(n) 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
(n) 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, Syn. microwave oven
(n) a bomb that explodes in midair and releases a massive burst of electromagnetic energy sufficient to disable computers and telecommunications without killing people or damaging buildings, Syn. E-bomb