Definition of "bi-directional" [bi-directional]

• Alternative spelling of bidirectional. (adjective)

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• "They had a great bi-directional communication apparatus to the blogs."
• "Right now, you can only search for and directly access recordings on a Dish DVR from the Google TV interface, as it's the only DVR that supports bi-directional communication with the TV."
• "As Clay Shirky writes in Cognitive Surplus, broadcast communication channels have become bi-directional."