Definition, Meaning & Synonyms

hertz

noun

/hɜːrts/

Definition

The hertz (symbol: Hz) is the unit of frequency in the International System of Units (SI). It measures the number of cycles per second of a periodic phenomenon.

Examples

My headphones support a frequency range from 20 Hz to 20 kHz.
The radio station broadcasts at a frequency of 101.5 megahertz (MHz).
The refresh rate of the monitor is set to 60 hertz to ensure smooth visuals.

Meaning

Hertz is used to quantify the frequency of sound waves, electromagnetic waves, and other periodic events. It indicates how many times a specific event occurs in one second.