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polyolefin

[pol-ee-oh-luh-fin]
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noun Chemistry.
  1. any of a group of thermoplastic, stiff, light, and hard polymers obtained from the polymerization of simple olefins like propylene, used for injection molding, mostly in the automotive and appliance industries.

Origin of polyolefin

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
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