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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

poly- + butylene

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019