Amplification/ˌæmplɪfɪˈkeɪʃn/ Definition 1 of 5Pro Tip 1/2Volume Increase Refers to raising the sound level, often using electronic equipment. With ample amplification, the whisper turned into a shout. Pro Tip 2/2Audio Equipment Commonly associated with speakers and microphones in public or performance settings. The new theater's amplification system is state-of-the-art.