Definition of megahertz noun from the Oxford Advanced American Dictionary

 

megahertz

 noun
noun
NAmE//ˈmɛɡəˌhərts//
 
(pl. megahertz)(abbreviation MHz)
 
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a unit for measuring radio waves and the speed at which a computer operates; 1 ,000, 000 hertz
See the Oxford Advanced Learner's Dictionary entry: megahertz