[om-nee-di-rek-shuh-nl] /ˌɒm ni dɪˈrɛk ʃə nl/

adjective, Electronics.
sending or receiving signals in all directions:
an omnidirectional microphone.
/ˌɒmnɪdɪˈrɛkʃənəl; -daɪ-/
(of an antenna) capable of transmitting and receiving radio signals equally in any direction in the horizontal plane
(of a microphone or antenna) equally sensitive in all directions

1927, from omni- + directional (see direction).


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