amplification
noun
[ ˌamplɪfɪˈkeɪʃ(ə)n ]
• the process of increasing the volume of sound, especially using an amplifier.
• "even without amplification, her voice carries to the farthest corners"
• the action of enlarging upon or adding detail to a story or statement.
• "the words 'no real prospect of succeeding' do not need any amplification"
• the action of making multiple copies of a gene or DNA sequence.
• "a technique known as random amplification of polymorphic DNA"
