megahertz

noun

mega·​hertz ˈme-gə-ˌhərts How to pronounce megahertz (audio)
-ˌherts
plural megahertz
: a unit of frequency equal to one million hertz
abbreviation MHz

Examples of megahertz in a Sentence

Recent Examples on the Web With that single-molecule layer, the researchers were able to reach the maximum change in conductivity at a frequency of more than 1 megahertz, several orders of magnitude faster than other heat-management systems. IEEE Spectrum, 13 Nov. 2023 The lowest frequencies measured to date are about 2 megahertz or so, in data from the ’70s. Sarah Scoles, Quanta Magazine, 20 Sep. 2023 Operating at a frequency range of 25 to 425 megahertz, the research prototype can perform 2,048 operations per core per cycle at 8-bit precision, and 8,192 operations at 2-bit precision. IEEE Spectrum, 23 Oct. 2023 The other piece of completely unexplored territory is the dark ages, which show up at frequencies of 30 megahertz and below. Sarah Scoles, Quanta Magazine, 20 Sep. 2023 This is to be expected since Raptor Lake refresh is just that - a refresh of the existing architecture and frequencies will only likely rise a few hundred megahertz, although some models are rumored to get core count increases that could see much more substantial increases in performance. Antony Leather, Forbes, 17 July 2023 These are, in essence, independent 32-bit microprocessors that run at 200 megahertz and are designed to communicate with external hardware. IEEE Spectrum, 24 Nov. 2017 The researchers successfully received information from the tattoos using a broadband modem at 900 megahertz and 2.45 gigahertz. IEEE Spectrum, 12 June 2023 James Provost The Flipper is powered by a 32-bit Arm processor core with a top speed of 64 megahertz. IEEE Spectrum, 26 Apr. 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'megahertz.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

mega- + hertz

First Known Use

1941, in the meaning defined above

Time Traveler
The first known use of megahertz was in 1941

Dictionary Entries Near megahertz

Cite this Entry

“Megahertz.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/megahertz. Accessed 29 Nov. 2023.

Kids Definition

megahertz

noun
mega·​hertz ˈmeg-ə-ˌhərts How to pronounce megahertz (audio)
-ˌhe(ə)rts
: a unit of frequency equal to one million hertz

Medical Definition

megahertz

noun
mega·​hertz ˈmeg-ə-ˌhərts How to pronounce megahertz (audio)
: one million hertz
abbreviation MHz

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