- Polythene is a light type of plastic used for insulating and packaging.
An example of polythene is what something would be wrapped in for safety during shipping.
polythene definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
polythene definition by American Heritage Dictionary
noun Chiefly British
Variant of polyethylene.
Origin: poly- + (e)th(yl)ene.