Meaning

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

verb cook or heat in a microwave oven

originEtymology tree Proto-Indo-European *mey-der.? Ancient Greek μικρός (mikrós)der. English micro- English wave English microwave From micro- + wave.

Etymology from Wiktionary, CC BY-SA 3.0