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polybutylene

[pol-ee-byoot-l-een] /ˌpɒl iˈbyut lˌin/
noun, Chemistry
1.
any of several polymers of butylene, used chiefly in the manufacture of lubricants and synthetic rubber.
Also, polybutene
[pol-ee-byoo-teen] /ˌpɒl iˈbyu tin/ (Show IPA)
.
Origin
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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