four micro-ondecommon nounSyllable Decompositionfour micro-ondeEtymologyexpandsee oven and microwaveDefinition1. Household appliance that allows for quick cooking of food, reheating of frozen food. Heating is achieved by molecular agitation of the water in food in the alternating electric field of microwave radiation.expandPasser un plat au four micro-onde.Synonymmicro-ondeTranslationsgerman:Mikrowellenherdenglish:microwavedutch:magnetronswedish:mikrovågsugn