Definition of flex noun from the Oxford Advanced Learner's Dictionary

 

flex

 noun
noun
BrE BrE//fleks//
 
; NAmE NAmE//fleks//
 
 
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(British English) (also cord North American English, British English) [countable, uncountable] a piece of wire that is covered with plastic, used for carrying electricity to a piece of equipment an electric flex a length of flex Side cutters are useful for cutting electrical flex to length. Word Originnoun early 20th cent.: abbreviation of flexible.

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