#1 amplification n. [elaboration] addition of extra material or illustration or clarifying detail; "a few remarks added in amplification and defense"; "an elaboration of the sketch followed". wn
#2 amplification n. [gain] the amount of increase in signal power or voltage or current expressed as the ratio of output to input. wn
#3 amplification n. (electronics) the act of increasing voltage or power or current. wn
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