Definition of quantuplicity in English:

quantuplicity

Pronunciation /ˌkwɒntjuːˈplɪsɪti/

noun

historical Mathematics
  • The quantitative relationship between two amounts, especially when expressed as a ratio specifying the number of times that one contains or is contained in the other.

Origin

Late 18th century. From post-classical Latin quantuplicitas, irregularly from quantuplus + -icitas, after duplicitas, etc.; apparently translating Hellenistic Greek πηλικότης magnitude, size (in plural, πηλικότητες, in EuclidElements 6, def. 5).