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The 17 pages that link to Microwave oven, each with the reason it gives.
Dielectric constantRelated: Food’s dielectric response determines how microwave fields deposit heat.
Convenience foodRelated: Microwave heating makes many packaged meals quick to serve.
WaveguideRelated: A waveguide channels microwave power from the magnetron into the cooking cavity.
Frozen mealRelated: Many frozen meals are designed for microwave reheating in their original trays.
Vacuum electronicsRelated: Its magnetron converts electrical power into microwave radiation.