Definition of omnidirectional adjective from the Oxford Advanced American Dictionary

 

omnidirectional

 adjective
adjective
NAmE//ˌɑmnɪdəˈrɛkʃənl//
 
, NAmE//ˌɑmnɪdaɪˈrɛkʃənl//
 
(technology)
 
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receiving or sending signals in all directions an omnidirectional microphone
See the Oxford Advanced Learner's Dictionary entry: omnidirectional