polybutylene
[pol-ee-byoot-l-een]
noun Chemistry.
any of several polymers of butylene, used chiefly in the manufacture of lubricants and synthetic rubber.
Also pol·y·bu·tene [pol-ee-byoo-teen] /ˌpɒl iˈbyu tin/.
Origin of polybutylene
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019