amplifier
nounUK /ˈæm.plə.faɪ.ə/ · CA, US /ˈæm.plə.faɪ.ɚ/
Etymology From amplify + -er.
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 November 21, Barney Ronay, “Iran’s brave and powerful gesture is a small wonder from a World Cup of woe”, in The Guardian:
2
Human sciences, Linguistics, Sciences An adverb that adds intensity, such as "really" or "totally".
3
Business, Electrical engineering, Electricity, Electromagnetism, Electronics, Energy, Engineering, Natural sciences, Physical sciences, Physics An appliance or circuit that increases the strength of a weak electrical signal without changing the other characteristics of the signal.
4
Entertainment, Lifestyle, Music 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.
- Derived terms
- bioamplifier, Darlington amplifier, error amplifier, linear amplifier, microamplifier, multiamplifier, parametric amplifier, photoamplifier, power amplifier, preamplifier, pre-amplifier, push-pull amplifier, radio amplifier, sense amplifier, tube amplifier, valve amplifier
- Related terms
- ample, amplifiable, amplification, amplificatory, amplify, amplifying glass, amplitude, gain