Bluetooth Meaning in the Cambridge English Dictionary
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Meaning of “Bluetooth” in the English Dictionary

"Bluetooth" in British English

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Bluetoothnoun [U]

uk   us   /ˈbluː.tuːθ/ trademark
a ​system for ​connectingelectronicequipment such as ​mobilephones, ​computers, and ​electronicorganizers to each other and to the internet using ​radiosignals
(Definition of Bluetooth from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"Bluetooth™" in Business English

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Bluetooth™noun [U]

uk   us   /ˈbluːtuːθ/ trademark COMMUNICATIONS, IT, INTERNET
a ​technicalsystem that ​allowspeople to ​exchangeinformation and ​data using different ​types of ​electronicdevices such as ​computers, ​mobilephones, ​printers, ​video cameras, etc. without using ​wires: high-speed Bluetooth ​wirelesstechnology a Bluetooth ​device/​headset/​phone
(Definition of Bluetooth™ from the Cambridge Business English Dictionary © Cambridge University Press)
What is the pronunciation of Bluetooth?
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