DictionaryglissandoMusical pitch slide
noun

glissando

glih-SAN-doh/ɡlɪˈsændəʊ/

A slide from one musical pitch to another.

The trombonist plays a glissando from a low note upward.

An older trombonist sounds a note while smoothly moving the slide, with a small, clearly readable musical passage showing two notes joined by a glissando line.
Etymology

French glisser, “to slide,” supplies the image of motion carried into music: the sound slides smoothly from one pitch to another.

In context

John Lamberton16:22
gives you a micro tonal glissando and then if you do a reverse lookup table then you have a glissando across the range of the piano
Harmonic Phenomenology w/ Marc Sabat (Episode #50)

More examples

  • She slides her finger along the violin string to produce a glissando.
  • The harpist ends the piece with a sweeping glissando.
  • The singer practices glissandos to move smoothly between pitches.

Forms

glissando · glissandos · glissandi

Similar words

portamento
Usually a smooth, expressive connection between two specific notes.
slide
A less technical term that also describes nonmusical movement.