n. Abbr. HDPE A strong, relatively opaque form of polyethylene having a dense structure with few side branches off the main carbon backbone.
high-density polyethylene
high-density polyethylene
[‚hī ¦den·səd·ē ‚päl·ē′eth·ə‚lēn] (organic chemistry) A thermoplastic polyolefin with a density of 0.941-0.960 gram per cubic centimeter (0.543-0.555 ounce per cubic inch). Abbreviated HDPE.SeeHDEPSeeHDEP