megahertz

[meg-uh-hurts]

noun

Electricity.

plural

megahertz, megahertzes 

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

megahertz

/ ˈmɛɡəˌhɜːts /

noun

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

megahertz

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

megahertz

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

Word History and Origins

Origin of megahertz¹

First recorded in 1940–45; mega- + hertz

Example Sentences

This approach enables the generation of attosecond X-ray pulses at terawatt-scale peak power and megahertz repetition rates without reducing the electron bunch charge.

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

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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.

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He said the 1,600 megahertz goal over a decade was achievable but difficult.

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But cosmic radio waves at frequencies below about 100 megahertz are extremely challenging to measure from Earth, because of the planet’s noise.

Read more on Scientific American