polyisobutylene

[ pol-ee-ahy-suh-byoot-l-een ]

nounChemistry.
  1. a polymer of isobutylene, used chiefly in the manufacture of synthetic rubber.

Origin of polyisobutylene

1
First recorded in 1930–35; poly- + isobutylene
  • Also pol·y·i·so·bu·tene [pol-ee-ahy-suh-byoo-teen]. /ˌpɒl iˌaɪ səˈbyu tin/.

Words Nearby polyisobutylene

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024