polyvinyl chloride

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A common thermoplastic resin used in a wide variety of manufactured products, including drain piping, conduits for wiring, building materials such as siding and flooring, rainwear, and garden hoses.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A thermoplastic resin produced by the polymerization of vinyl chloride; used as an electrical insulator and in many other applications. Can be compounded into flexible and rigid forms through the use of plasticizers, stabilizers, fillers and other modifiers.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a polymer of vinyl chloride used instead of rubber in electric cables