Definition of "megahertz" [megahertz]

• One million cycles per second. Used especially as a radio-frequency unit. Also called megacycle. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Many fondly recall the megahertz race -- the 90s phenomena in which Advanced Micro Devices and Intel raced to have the highest-clocked processor."
• "MR. ROHDE: Well, currently -- this is Greg from NTIA -- within the three bands identified by the World Radio Conference, it looks like it's only -- there's 100 megahertz which is 1755 to 1850."
• "MHz (acronym for "megahertz"): A term used with the speed rating of processors used on these devices."