THRESHOLD

1. The minimum value of a signal that can be detected by the system or sensor under consideration. ( 188 ) 2. A value used to denote predetermined levels, such as those pertaining to volume of message storage , i.e., in-transit storage or queue storage, used in a message switching center. ( 188 ) 3. The minimum value of the parameter used to activate a device. ( 188 ) 4. The minimum value a stimulus may have to create a desired effect.