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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. : HDPE

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Word History and Origins

Origin of high-density polyethylene1

First recorded in 1955–60

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high-density lipoproteinhigh-dependency

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