omnidirectional
omnidirectional — adjective
- omnidirectionalpositive
- more omnidirectionalcomparative
- most omnidirectionalsuperlative
1. A piece of equipment that is omnidirectional can work equally well in every dire
A piece of equipment that is omnidirectional can work equally well in every direction around it — for example, an antenna, microphone, or sensor that picks up or sends signals from all sides without needing to be pointed in a particular direction.
A new security camera with an omnidirectional lens records activity on all sides at once.
collocation: omnidirectional lens
Jiwoo put an omnidirectional antenna on the roof for better Wi‑Fi everywhere.
collocation: omnidirectional antenna
The conference room is fitted with an omnidirectional microphone that picks up each speaker clearly.
Sensors around the museum are omnidirectional and can detect movement from any angle.
Liang fitted an omnidirectional beacon to the drone so the station never loses the signal.
- multidirectional
Broader; can describe movement, influence, or communication flowing in multiple directions, not necessarily all at once.
- all-round
Informal British term meaning versatile or comprehensive; used for people or tools, not specifically for signal equipment.
- directional
Must be aimed at or face a particular source to work properly (e.g., a directional microphone).
- unidirectional
Operates in or from only one direction.
用法筆記
Typically used for technical equipment such as antennas, microphones, sensors, and security cameras. The word is rarely applied to people or abstract ideas and is most common in engineering, electronics, and telecommunications contexts.