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bluetooth

UK/ˈbluː.tuːθ/US/ˈblu.tuθ/
nounB1Very rare — outside the 30,000 commonest English words, so you will meet it in writing rather than in speechleans written

Bluetooth is the short-range wireless link that pairs headphones to phones. Turn on bluetooth.

It reaches about ten metres and is named after a tenth-century Danish king. The bluetooth symbol is that king's initials written in runes.

CIA MAN275 · CC BY-SA 3.0

Definitions of bluetooth

  1. 1nounbluetoothThe short-range wireless link that pairs headphones to phones.B1

    “The bluetooth dropped every time he put the phone in his pocket.”

bluetooth is a technology.

Where it comes from

  1. Old Norse

    Blátǫnn

  2. English

    Bluetooth

  3. English, today

    bluetooth

Bluetooth comes from blue + tooth. From blue + tooth. Old Norse Blátǫnn (compare modern Danish Blåtand). The networking standard is named after the king, since the technology unites computers and mobile devices similarly to the way he united the Danish tribes.

Etymology from Wiktionary, CC BY-SA

Practised in Technology & Internet

Practise this word

bluetooth in the wild

  • The beacon uses a bluetooth connection to communicate with the Facebook app on the user's smartphone, informing it of the phone's location.

    Facebook Bluetooth Beacon

From Wikipedia, CC BY-SA 4.0. These sentences were written by other people about their own subjects; they are here to show the word at work, not as anybody’s opinion.