-
- To save this word, you'll need to log in.
megahertz
noun
mega·hertz
ˈme-gə-ˌhərts
-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
It has been hacked in order to use frequency bands other than its original 868 to 915 megahertz.
—IEEE Spectrum, 10 Apr. 2024
The researchers fabricated an integrated circuit about 28 square millimeters in size that possesses 1,056 transistors, 528 logic gates, and an operating speed of more than 1 megahertz.
—IEEE Spectrum, 17 Mar. 2024
As a result, several types of ultrasound probes are needed to image various parts of the body, with frequencies that range from 1 to 10 megahertz.
—IEEE Spectrum, 17 Mar. 2024
The protocol also allows channel bandwidths as narrow as 1 megahertz, compared to the 20MHz channels that are standard in Wi-Fi.
—IEEE Spectrum, 1 Feb. 2024
Frissell expects that in the shadow of the moon, the technique will inhibit ham-radio chatter on frequencies between about 14 to 30 megahertz, while enhancing communications on lower frequencies.
—Jonathan O'Callaghan, Scientific American, 3 Jan. 2024
Wi-Fi 7 will also see channel size increase from 160 megahertz to a new maximum of 320 MHz.
—IEEE Spectrum, 29 Dec. 2023
Even today’s advanced methods are slow to react to changes in chip temperature when compared to a thermal transistor, which can switch heat conductance on and off as quickly as 1 megahertz.
4.
—IEEE Spectrum, 26 Dec. 2023
Four more spectrum bands Another spectrum band consists of 350 megahertz from 3.1–3.45 GHz, which the Department of Defense has already studied for possible sharing with the private sector.
—Jon Brodkin, Ars Technica, 13 Nov. 2023
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
First Known Use
1941, in the meaning defined above
Dictionary Entries Near megahertz
Cite this Entry
“Megahertz.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/megahertz. Accessed 28 May. 2024.
Kids Definition
megahertz
noun
mega·hertz
ˈmeg-ə-ˌhərts
-ˌhe(ə)rts
: a unit of frequency equal to one million hertz
Medical Definition
megahertz
noun
mega·hertz
ˈmeg-ə-ˌhərts
: one million hertz
—abbreviation MHz
More from Merriam-Webster on megahertz
Love words? Need even more definitions?
Merriam-Webster unabridged
Share