(electronics) the act of increasing voltage or power or current
addition of extra material or illustration or clarifying detail; "a few remarks added in amplification and defense"; "an elaboration of the sketch followed"
the amount of increase in signal power or voltage or current expressed as the ratio of output to input
showing sustained enthusiastic action with unflagging vitality; "an indefatigable advocate of equal rights"; "a tireless worker"; "unflagging pursuit of excellence"