Definitions

1. noun

The ability of a musical instrument, especially an electric piano or a synthesizer, to modify the sound of a note after it is played.

“The musician’s use of aftertouch created a unique and emotive sound in the song.”

2. noun

The pressure applied to a key on a musical instrument after it has been pressed, used to change the pitch or timbre of a note.

“The piano player’s aftertouch added a subtle nuance to the melody.”

3. verb

To apply pressure to a key on a musical instrument after it has been pressed, in order to change the pitch or timbre of a note.

“The pianist aftertouched the key to add a sense of depth to the music.”