amplifier

«amplifier» in Mova's school dictionary: A machine that makes sounds louder, especially from… — its meaning for a pupil, its sense in the lessons and examples.

part of speech

noun (an amplifier, amplifiers; informal an amp)

meaning for a pupil

1) A machine that makes sounds louder, especially from guitars, microphones and music players. tree →

2) (science) Any device that makes an electric signal stronger. tree →

3) Something that makes a feeling or effect stronger. tree →

sense in the lessons

In music and science lessons the amplifier shows how sound is turned into electric signals, made stronger and turned back into louder sound by a speaker. In bands, guitarists plug into an «amp». Phrases: «plug into the amplifier», «turn up the amp».

examples

• The guitarist plugged into the amplifier. tree →
• Turn the amplifier down, it's too loud! tree →
• A microphone, an amplifier and a speaker work together. tree →
• The school hall has a big amplifier for assemblies. tree →
• A hearing aid is a tiny amplifier. tree →
• Our band's amp crackled during the concert. tree →

note

Short form: «amp» (informal; also «amp» means ampere, a unit of current). Verb: amplify (make louder or stronger). Spelling: -ifier, like «magnifier».

Trees and pragmatics

Every meaning and example of «amplifier» parsed by Mova, each sentence with its dependency tree and frames.