C1nounformalscienceacademic
US/ˈæm.plɪ.tuːd/
UK/ˈæm.plɪ.tjuːd/
the largest size of a wave, such as sound, light or an electric signal, measured from its middle
In context
A louder sound has a greater amplitude than a quiet one.
The amplitude of the signal dropped as it traveled along the cable.
Scientists measured the amplitude of the waves after the earthquake.
Words that go with amplitude
adjective + noun
- high amplitudeThe machine records high amplitude signals from the brain.
- low amplitudeLow amplitude waves are hard to detect.
noun + preposition
- amplitude ofThe amplitude of the wave doubled.
noun + noun
- wave amplitudeWave amplitude affects how loud we hear a sound.
verb + noun
- increase the amplitudeTurning up the volume increases the amplitude of the sound.