[1] : The Collaborative International Dictionary of English v.0.48

macromolecule \mac`romol"ecule\, n. chem., biochem.
   a very large molecule, especially a polymer having from
   hundreds to many thousands of atoms, such as dna, rna,
   protein, polysaccharide, polyethylene, polycarbonate,
   etc.
   pjc
see also:
dna rna protein polysaccharide polyethylene polycarbonate 

[2] : WordNet (r) 2.0

polyethylene
     n : a lightweight thermoplastic; used especially in packaging
         and insulation syn: polythene
see also:
polythene 

Polyethylene >> P Words
Polyethylene, definition of term: Polyethylene
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