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megahertz

noun
🔊/ˈmeɡəhɜːts/
🔊/ˈmeɡəhɜːrts/
(plural megahertz)
(abbreviation MHz)
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  1. a unit for measuring radio waves and the speed at which a computer operates; 1 000 000 hertz兆赫；百万赫兹Topics Maths and measurementc2, Computersc2, TV, radio and newsc2