Bluetooth

American  

[bloo-tooth] / ˈbluˌtuθ /

noun

Computers, Trademark.

1. a brand name for a wireless networking technology that uses short-wave radio frequencies to interconnect cell phones, portable computers, and other wireless electronic devices.

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Bluetooth British  

/ ˈbluːˌtuːθ /

noun

1. a short-range radio technology that allows wireless communication between a computer and a keyboard, between mobile phones, etc

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Etymology

Origin of Bluetooth

C20: after the 10th-century Danish King Harald Blatand (Harold Bluetooth), instrumental in uniting warring factions in Scandinavia

Example Sentences

See Examples For:

Bluetooth

Instead, the humid silence is punctuated by the diesel generators, the occasional Bluetooth speaker or the tinny buzzing of a cell phone squeezing out reggaeton, reparto or US pop.

From Barron's ● Aug. 18, 2026

The device uses what the company calls a six-layer hybrid positioning system, combining GPS, assisted GPS, Wi-Fi positioning, Bluetooth, cellular network data, and active radar-style search functions.

From Slate ● Jun. 20, 2026

Founded in 1970 by Trinity College Cambridge, the park has been responsible for breakthroughs including cancer drugs, Bluetooth technology and mobile phone chips.

From BBC ● May 19, 2026

His previous creations have included a smartwatch and a high-tech face mask launched during the pandemic and tricked out with Bluetooth, LED lights and a magnetic earbud docking system.

From The Wall Street Journal ● May 18, 2026

"Ho, Bluetooth," she shouted to a passing seafarer, a tall man in bearskin vest and raven-winged helm.

From "A Clash of Kings" by George R.R. Martin