IPA: /ˌɒmnɪdaɪˈrɛkʃənl/
KK: /ɑmˌnaɪdəˈrɛkʃənl/
Able to send or receive signals from every direction equally well.
The omnidirectional microphone picked up sounds from all around the room.
Omnidirectional → It is formed from "omni-" (meaning all) and "direction" (from Latin "directio", meaning a guiding or leading). The word "omnidirectional" means capable of receiving or transmitting signals in all directions.
Think of 'omni-' meaning all, and 'direction' referring to guiding or leading. This helps you remember that 'omnidirectional' means something that can operate in all directions.