one-directionalness

noun
UK /ˌwʌn dəˈrɛkʃənəlnəs/
US /ˌwʌn dəˈrɛkʃənəlnəs/

The quality of going only one way and never back.

The one-directionalness of the escalator means you can only ride it up.


OTHER MEANINGS

2. The state of moving or pointing toward a single goal without turning aside.

The one-directionalness of the project kept the team focused on one target.

3. In physics, the property of a process that cannot run backward.

The one-directionalness of heat flow explains why ice melts in warm water.

4. The quality of communication that travels from sender to receiver only.

The one-directionalness of the announcement meant no one could reply.