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

---

megahertz British  

/ ˈmɛɡəˌhɜːts /

noun

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

---

megahertz Scientific  

/ mĕg′ə-hûrts′ /

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

---

megahertz Cultural  

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

---

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

“Particularly the 68 megahertz of global mobile satellite services L-Band spectrum…in an environment where Direct-to-Device constellations are garnering significant attention and investment,” he wrote.

From Barron's ● Nov. 10, 2025

For astronomy, the protected range is 150.05 to 153 megahertz.

From Salon ● Apr. 4, 2025

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.

From Science Daily ● Nov. 25, 2024

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

Random Word

Spin the wheel and learn a new word!

---