om·ni·di·rec·tion·al
adjective/ˌɒmnɪdəˈrekʃənl/, /ˌɒmnɪdaɪˈrekʃənl/
/ˌɑːmnɪdəˈrekʃənl/, /ˌɑːmnɪdaɪˈrekʃənl/
(specialist)- receiving or sending signals in all directions
（接收或发射信号）全向的 - an omnidirectional microphone
全向传声器
Oxford Collocations DictionaryOmnidirectional is used with these nouns:- microphone
- an omnidirectional microphone