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high-density polyethylene
noun
, Chemistry.
- 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. : HDPE
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Word History and Origins
Origin of high-density polyethylene1
First recorded in 1955–60
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