Bluetooth

The word “Bluetooth” means a short-range wireless technology used to connect devices like phones, headphones, and speakers. In plain terms, a wireless way for nearby devices to connect and share data.

“Bluetooth” is pronounced BLOO-tooth (/ˈblu.tuθ/ in IPA).

Here is “Bluetooth” used in a sentence: “She paired her headphones with her phone using Bluetooth.”

Depending on how it is used, “Bluetooth” can be a noun and a verb.

The word “Bluetooth” dates back to around 900 and comes from Danish. Named after Harald "Bluetooth" Gormsson, a 10th-century king who united Danish tribes, since the technology similarly unites different devices.

“Bluetooth” is an uncommon word in modern English.

“Bluetooth” has 2 distinct senses listed in this dictionary. The most common is: a short-range wireless technology used to connect devices like phones, headphones, and speakers.

Bluetooth is a short-range wireless technology designed to connect nearby devices like phones, headphones, and speakers directly, while Wi-Fi is built for longer-range wireless networking, typically connecting devices to the internet through a router. Bluetooth generally uses less power but covers a much smaller area than Wi-Fi.

Headphones and speakers use Bluetooth because it allows short-range wireless connection between devices without the need for a physical cable. This makes Bluetooth convenient for pairing phones with headphones, speakers, and similar accessories.

Yes, Bluetooth can function as a verb meaning to send or receive data wirelessly between devices using this technology, as in "Bluetooth me the photo." This informal usage grew out of the technology's name becoming a common household term.