megahertz

[ meg-uh-hurts ]

noun

, Electricity.

, plural meg·a·hertz, meg·a·hertz·es.

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

megahertz

/ ˈmɛɡəˌhɜːts /

noun

1. one million hertz; one million cycles per second MHz Former namemegacycle

megahertz

/ mĕg′ə-hûrts′ /

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

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

From Science Daily

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

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

From Reuters

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

From Scientific American

In response to Alexander: Tracking devices usually employ frequencies well beyond 100 megahertz, which are very unlikely to affect the birds' magnetic compass.

From Scientific American