amplifier

noun5

1. •
   Anything that amplifies, or makes something larger or more intense.

   • The football team is not an extension of Iran’s leaders, but is in fact the opposite, seen as an amplifier for freedom, group expression, modernity. — 2022
2. •
   An adverb that adds intensity, such as "really" or "totally".
3. •
   An appliance or circuit that increases the strength of a weak electrical signal without changing the other characteristics of the signal.
4. •
   A portable encasement that houses a large speaker, used to amplify voices and musical instruments at live performances.
5. •
   A lens that enlarges the field of vision.