Definition of polyfunctionality in US English:

polyfunctionality

noun

Chemistry
  • The state or condition of being polyfunctional.

Origin

1930s; earliest use found in Transactions of the Faraday Society. From poly- + functionality, after polyfunctional.

Pronunciation

polyfunctionality

/ˌpɒlɪfʌŋ(k)ʃəˈnalɪti/