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megahertz

[meg-uh-hurts] /ˈmɛg əˌhɜrts/
noun, plural megahertz, megahertzes. Electricity
1.
a unit of frequency, equal to one million cycles per second.
Abbreviation: MHz.
Origin
1940-1945
1940-45; mega- + hertz
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for megahertz
  • But electrical signaling degrades beyond tens of megahertz.
  • Today it is minds, not megahertz, that are the scarce commodity.
  • In the old days, the goal was to squeeze more megahertz out of the pipeline.
British Dictionary definitions for megahertz

megahertz

/ˈmɛɡəˌhɜːts/
noun (pl) -hertz
1.
one million hertz; one million cycles per second MHz Former name megacycle
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for megahertz
n.

1941, from mega- + Hertz.

Online Etymology Dictionary, © 2010 Douglas Harper
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megahertz in Medicine

megahertz meg·a·hertz (měg'ə-hûrts')
n.
Abbr. MHz
One million cycles per second. Used especially as a radio frequency unit. Also called megacycle.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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megahertz in Science
megahertz
  (měg'ə-hûrts')   
A unit of frequency equal to one million cycles per second, or one million hertz.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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megahertz in Culture

megahertz definition


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

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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megahertz in Technology


(MHz) Millions of cycles per second. The unit of frequency used to measure the clock rate of modern digital logic, including microprocessors.
(1994-10-27)

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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