poly-ethylene

polyethylene

[pol-ee-eth-uh-leen]
noun Chemistry.
a plastic polymer of ethylene used chiefly for containers, electrical insulation, and packaging.
Also called, British, polythene.


Origin:
1935–40; poly- + ethylene

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Collins
World English Dictionary
polyethylene (ˌpɒlɪˈɛθɪˌliːn)
 
n
another name for polythene

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
polyethylene   (pŏl'ē-ěth'ə-lēn')  Pronunciation Key 
Any of various artificial resins consisting of many ethyl groups (CH2CH2) joined end to end or in branched chains. Polyethylenes are easily molded and are resistant to other chemicals. They can be repeatedly softened and hardened by heating and cooling, and are used for many purposes, such as making containers, tubes, and packaging.
The American Heritage® Science Dictionary
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