A string in a piano or other instrument tuned to the same pitch (or to a pitch an octave higher) as another string and meant to be sounded with it.
More example sentences
- Token blips begin the song before a deluge of syrupy unison strings shove the sound of the new out of the way.
- The tune appears in the unison strings with the soprano, alto and continuo making an independent trio.
- I customized it by moving the strings to create 4 pairs of unison strings, just like a mandolin.