Definition of nonuplet in US English:



  • 1Music. A group of nine notes to be performed in the time of eight or six. rare.

  • 2Each of nine siblings resulting from a single pregnancy. Usually in plural.

  • 3Science. A multiplet of nine subatomic particles; an aggregate of nine components. rare.


Late 19th century; earliest use found in John Stainer (1840–1901), musicologist and composer. From classical Latin nōnus ninth + -plet.