Definition of polyisocyanate in English:

polyisocyanate

noun

Chemistry
  • Any organic compound containing two or more isocyanate groups; a polymer prepared from such a compound, especially a polyurethane.

Origin

1940s. From poly- + isocyanate.

Pronunciation

polyisocyanate

/ˌpɒlɪˌʌɪsə(ʊ)ˈsʌɪəneɪt/