- The overall gain of a component, circuit, device, system, or transmission line, after all attenuation is accounted for. In the case of an amplifier, for instance, it can be calculated as the ratio of the input power to the output power. A ratio of greater than 1 results in a net gain, while a ratio of less than one is a net loss.
- noun the total number of something gained after deducting losses
- noun the total number of seats gained in an election after subtracting the number of seats lost