Definition of sextuplication in English:

sextuplication

noun

rare
  • Multiplication by six.

Origin

Late 17th century; earliest use found in Samuel Jeake. From sextuplicate: see -ation. Compare earlier duplication, quadruplication, etc.

Pronunciation

sextuplication

/sɛksˌtjuːplɪˈkeɪʃn//sɛksˌtʃuːplɪˈkeɪʃn/