altissimo
/ælˈtɪsɪmoʊ/
noun
- The highest register of a musical instrument, especially a woodwind like the saxophone or clarinet.
- The saxophonist hit a series of notes in the altissimo range during his solo.
- The clarinet's altissimo can sound piercing if not played carefully.
- Learning to play in the altissimo requires excellent breath control and embouchure.
adjective
- Relating to or denoting the highest register of an instrument.
- His altissimo playing was impressively clear and controlled.
- She practiced altissimo fingerings for hours to improve her technique.
- The altissimo notes in the piece were the most challenging part.