megahertz

noun, plural meg·a·hertz, meg·a·hertz·es. Electricity.

1. a unit of frequency, equal to one million cycles per second. Abbreviation: MHz

noun plural -hertz

1. one million hertz; one million cycles per secondSymbol: MHz Former name: megacycle

n.1941, from mega- + Hertz. n.

1. One million cycles per second. Used especially as a radio frequency unit.megacycle

1. A unit of frequency equal to one million cycles per second, or one million hertz.

One million cycles per second. Often used to indicate computer processing speed.