amplification
(noun)
noun
1. addition of extra material or illustration or clarifying detail
- a few remarks added in amplification and defense
Similar word(s): elaboration
Definition categories: act, expansion
2. the amount of increase in signal power or voltage or current expressed as the ratio of output to input
Similar word(s): gain
Definition categories: attribute, increase, increment
3. (electronics) the act of increasing voltage or power or current