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2017 Word of the Year

high-density polyethylene

noun, Chemistry.
1.
polyethylene consisting mainly of linear, or unbranched, chains with high crystallinity and melting point, and density of 0.96 or more, produced at low pressure and used chiefly for containers and articles made by injection molding.
Abbreviation: HDPE.
Origin of high-density polyethylene
1955-1960
First recorded in 1955-60
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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