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[pol-ee-byoot-l-een] /ˌpɒl iˈbyut lˌin/
noun, Chemistry
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 of polybutylene Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for polybutylene
  • The closed loop system uses a loop of heat fused polyethylene or polybutylene pipe.
  • Basically, water or a nontoxic antifreeze-water mix is circulated through buried polyethylene or polybutylene piping.

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