gigahertz

noun

giga·​hertz ˈji-gə-ˌhərts 

-ˌherts, 

ˈgi- 

plural gigahertz

: a unit of frequency equal to one billion hertz

Examples of gigahertz in a Sentence

Recent Examples on the Web

In a recent effort commissioned by the World Health Organization (WHO), 12 systematic reviews assessed the effects of exposure to frequencies of zero to 300 gigahertz—a range that includes the typical level of exposure from a cell phone. — Stephanie Pappas, Scientific American, 22 Sep. 2026

Global demand for high-capacity, low-latency wireless connectivity continues to grow, and the 6-gigahertz band of radio spectrum has emerged as a particularly vital chunk of wireless real estate. — Stephen Cousins, IEEE Spectrum, 25 June 2026

The company claims cores running above five gigahertz, more than thirty percent faster than competing designs, with configurations exceeding 250 cores, all built on the Oryon architecture Qualcomm developed in-house through its acquisition of Nuvia. — Steve McDowell, Forbes.com, 25 June 2026

The useful radio part of the EM spectrum’s radio region spans 30 kilohertz (30,000 Hertz) to 300 gigahertz (300,000,000,000 Hertz). — Margherita Bassi, Interesting Engineering, 19 May 2026

Word History

First Known Use

1964, in the meaning defined above

Kids Definition

gigahertz

noun

giga·​hertz -ˌhərts  -ˌhe(ə)rts 

: a unit of frequency equal to one billion hertz