Definition of polyisocyanate in English:
polyisocyanate
noun ˌpɒlɪˌʌɪsə(ʊ)ˈsʌɪəneɪt
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.
Definition of polyisocyanate in US English:
polyisocyanate
nounˌpɒlɪˌʌɪsə(ʊ)ˈsʌɪəneɪt
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.