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Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

meg·a·hertz

Audio Help [meg-uh-hurts] Pronunciation Key

–noun, plural -hertz, -hertz·es. Electricity.

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

[Origin: 1940–45; mega- + hertz

]

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

Encyclopædia Britannica, Inc.
megahertz

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American Heritage Dictionary - Cite This Source - Share This

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

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

WordNet - Cite This Source - Share This

megahertz
noun
one million periods per second

The American Heritage Science Dictionary - Cite This Source - Share This

megahertz Audio Help (měg'ə-hûrts') Pronunciation Key
A unit of frequency equal to one million cycles per second, or one million hertz.

The American Heritage® Science Dictionary
Copyright © 2002 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

American Heritage New Dictionary of Cultural Literacy, Third Edition - Cite This Source - Share This
megahertz

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

[Chapter:] Technology

Free On-line Dictionary of Computing - Cite This Source - Share This

MegaHertz
(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)