two-state condition
nounUK /ˌtuː steɪt kənˈdɪʃən/
US /ˌtu steɪt kənˈdɪʃən/
A situation where something can be in one of two simple states, like on or off.
The light switch works as a two-state condition: it is either on or off.
OTHER MEANINGS
2. A political situation in which two separate states exist side by side.
The peace plan proposed a two-state condition for the region.
3. A computer setting that can only be true or false.
The program checks a two-state condition before running the loop.
4. A physical system that has exactly two possible energy levels.
The atom behaves as a two-state condition in this experiment.