Bidirectional (adjective)

1. Refers to something that operates or functions in two directions.
2. Having or capable of having movement or action in two opposite directions.

Origin:

The word 'bidirectional' originated in the early 20th century and is derived from the prefix 'bi' meaning two, and the word 'directional' meaning relating to direction.

Examples:

1. The bidirectional system allowed for traffic to flow in both directions on the bridge.
2. The bidirectional fans were effective in circulating air throughout the room.
3. The bidirectional communication was established between the two systems for data transfer and processing.
4. The bidirectional motor could rotate in either direction, making it versatile and flexible in its applications.
5. The bidirectional transmission of signals allowed for seamless and efficient transfer of information.