megahertz

American  

[meg-uh-hurts] / ˈmɛg əˌhɜrts /

noun

Electricity.

• megahertz,
  plural
• megahertzes
  plural

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

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megahertz British  

/ ˈmɛɡəˌhɜːts /

noun

1. MHz. Former name: megacycle. one million hertz; one million cycles per second

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megahertz Scientific  

/ mĕg′ə-hûrts′ /

1. A unit of frequency equal to one million cycles per second, or one million hertz.

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megahertz Cultural  

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

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Other Word Forms

Noun Inflected Forms

• megahertz
  plural
• megahertzes
  plural

Etymology

Origin of megahertz

First recorded in 1940–45; mega- + hertz

Example Sentences

See Examples For:

megahertz

Starlink mobile satellites should begin flying next year, she says, and the company has access to 65 megahertz of spectrum through a deals with EchoStar.

From The Wall Street Journal ● Aug. 5, 2026

ViaSat’s 68 megahertz of global L-band spectrum is valued at $15 billion by analysts, making it a unique asset after recent acquisitions.

From Barron's ● Jun. 30, 2026

Central to this innovation is the ytterbium thin-disk laser, which produces high-power, femtosecond pulses at megahertz repetition rates.

From Science Daily ● Nov. 18, 2024

The National Telecommunications Information Administration will perform a two-year study on how to possibly repurpose 2,786 megahertz of spectrum, which could be used for wireless broadband, drones, and satellites.

From Washington Times ● Nov. 13, 2023

The slow speed is operating at 435 megahertz, and it would later go up to 920 megahertz.

From Library of Congress Workshop on Etexts by Library of Congress