Definition of network effect noun from the Oxford Advanced Learner's Dictionary

 

network effect

 noun
noun
BrE BrE//ˈnetwɜːk ɪfekt//
 
; NAmE NAmE//ˈnetwɜːrk ɪfekt//
 
(economics)
 
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the effect that happens when a product or service gains value as more people use it The network effect is often the result of word-of-mouth testimonials.