| highly branched polyethylene with low crystallinity and melting point, and a density of 0.91 to 0.94, prepared at very high pressures, and used mainly for sheeting, films, and packaging materials. Abbreviation: LDPE |
| low-density polyethylene n. Abbr. LDPE A form of polyethylene having many side branches off the main carbon backbone and a less closely packed structure than that of high-density polyethylene. |