Unidirectional vs. Bidirectional — What's the Difference?

Difference Between Unidirectional and Bidirectional
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Definitions
Unidirectional➦
Moving or operating in one direction only
A unidirectional microphone.
Bidirectional➦
Moving or operating in two usually opposite directions
Bidirectional data flow.
Unidirectional➦
Pertaining to only one direction, e.g.: where all component parts are aligned in the same direction in space.
Bidirectional➦
Moving in two directions (usually opposite)
Unidirectional➦
A fabric in which the majority of fibers run in the same single direction.
Bidirectional➦
Operating or functioning in two directions (usually opposite)
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Unidirectional➦
Operating or moving or allowing movement in one direction only;
A unidirectional flow
A unidirectional antenna
A unidirectional approach to a problem
Bidirectional➦
Such an antenna or microphone
Bidirectional➦
Reactive or functioning or allowing movement in two usually opposite directions