1. to decrease the operational performance or effectiveness of a device, causing it to work at a lower capacity or with reduced output
Dust accumulation can reduce device efficiency by blocking air vents.
O acúmulo de poeira pode reduzir a eficiência do dispositivo bloqueando as aberturas de ar.
2. to lower the rate at which a device converts input energy into useful output
Overheating will reduce device efficiency and shorten its lifespan.
O superaquecimento reduzirá a eficiência do dispositivo e encurtará sua vida útil.