Look up omnidirectional in Wiktionary, the free dictionary.

Omnidirectional refers to the notion of existing in every direction. Omnidirectional devices include:

• Omnidirectional antenna, an antenna that radiates equally in all directions
• VHF omnidirectional range, a type of radio navigation system for aircraft
• Omnidirectional camera, a camera that can see all 360 degrees around it
• Omnidirectional treadmill, a treadmill that allows a person to walk in any direction without moving
• Omnidirectional microphone, a microphone that can hear from all directions
• Mecanum wheel, a specially designed wheel that allows movement in any direction, such as that used by many robots in the RoboCup Small Size League
• Wingless Electromagnetic Air Vehicle, an electrically operated vehicle that can fly in any direction

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