a unit of frequency, equal to one million cycles per second. Abbreviation: MHz
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use megahertz in a sentence
Reader Mike Neary wondered why researchers consider these radio frequencies low, given that the frequencies reside in the International Telecommunication Union’s “very high frequency” band, which ranges from 30 to 300 megahertz.Readers weigh in on the ‘USS Jellyfish,’ the new age of videocalling and more | Science News Staff | June 12, 2021 | Science News
Cellcom gets about 10.5 megahertz of spectrum; Jawwal about 4.8 (spectrum, too, is a "security" asset).
British Dictionary definitions for megahertz
one million hertz; one million cycles per second: Symbol: 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
Scientific definitions for megahertz
A unit of frequency equal to one million cycles per second, or one million hertz.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Cultural definitions for megahertz
One million cycles per second. Often used to indicate computer processing speed.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.