Definition

Noun: - Megahertz: A unit of frequency equal to one million hertz (cycles per second). It is used to measure the frequency of alternating current, electromagnetic waves (like radio waves), and the clock speed of computer processors.

Usage Examples

• Noun:
  • The radio station broadcasts at a frequency of 98.5 MHz.
  • The processor's clock speed is 3.5 MHz.

Advanced Usage

• Technical Specification: Commonly used in electronics, telecommunications, and computing to specify signal or processing frequencies.
  • The new wireless standard operates in the 5 GHz (5000 MHz) band.

Variants and Related Words

• MHz: The standard abbreviation for megahertz.
• Megahertz: The full, unabbreviated form of the word.
• Hertz (Hz): The base unit of frequency, equal to one cycle per second. One MHz equals 1,000,000 Hz.
• Kilohertz (kHz): A unit of frequency equal to one thousand hertz. One MHz equals 1,000 kHz.
• Gigahertz (GHz): A unit of frequency equal to one billion hertz. One GHz equals 1,000 MHz.

Synonyms

• Megacycle per second: An older, equivalent term (now largely obsolete).

Related Phrases

• Clock speed measured in MHz: A common phrase describing the operating speed of a computer's central processing unit (CPU).
  • Early personal computers had CPUs with clock speeds measured in single-digit MHz.

Noun

1. one million periods per second