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English definition of “microwave”

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microwave

noun [C]  /ˈmɑɪ·krəˌweɪv/ us  
physics a very short, very fast wave of electromagnetic energy that causes heat in atoms of water and some other substancesmicrowave oven A microwave or microwave oven is a machine that cooks food quickly using microwaves: Heat up the leftover pizza in the microwave.
microwave
verb [I/T]  /ˈmɑɪ·krəˌweɪv/ us  
[I] Microwave on high for 12 minutes.
(Definition of microwave from the Cambridge Academic Content Dictionary © Cambridge University Press)
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