From Longman Dictionary of Contemporary Englishmegahertzmeg‧a‧hertz /ˈmeɡəhɜːts $ -ɜːr-/ noun (plural megahertz) [countable] (written abbreviation MHz) TCBa unit for measuring frequency, especially of radio signals, equal to one million hertz
Examples from the Corpus
megahertz• Id says Quake requires a Pentium, though it will run slowly on a 66 or 100 megahertz 80486.• The Pentium chip-powered machines will run at 133 megahertz or more and cost about $ 2,500.• For example, the 6x686-P200 system I tested uses a Cyrix chip with a clock speed of 166 megahertz.• They operate in the same frequency range of the radio spectrum as analog cellular -- around 800 megahertz.• A sixty-six megahertz is gon na do the programs. 