Definition of Bluetooth™ noun from the Oxford Advanced Learner's Dictionary

 

Bluetooth™

 noun
noun
BrE BrE//ˈbluːtuːθ//
 
; NAmE NAmE//ˈbluːtuːθ//
 
[uncountable] Mobile devices, Computer hardware
 
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a radio technology that makes it possible for mobile/cell phones, computers and other electronic devices to be linked over short distances, without needing to be connected by wires Bluetooth-enabled devices See related entries: Mobile devices, Computer hardware Word Origin 1990s: said to be named after King Harald Bluetooth (910–85), credited with uniting Denmark and Norway, as Bluetooth technology unifies the telecommunications and computing industries.
See the Oxford Advanced American Dictionary entry: Bluetooth™