definition of
microwave

[1] #1 microwave 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. wn

[2] #2 microwave v. [micro-cook, zap, nuke] cook or heat in a microwave oven; "You can microwave the leftovers". wn

[3] #3 microwave n. [microwave oven] 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. wn