In plumbing terminology, what does "PVC" stand for?

The term "PVC" stands for Polyvinyl Chloride. This is a widely used plastic in plumbing and construction due to its strength, durability, and resistance to various chemicals. PVC is primarily used for pipes and fittings in both residential and commercial plumbing systems. It is lightweight, easy to handle, and can be produced in various diameters, making it versatile for different applications.

Understanding the correct terminology is crucial in plumbing, as it influences the selection of materials for specific uses, ensuring the integrity and performance of the plumbing system. The other terms provided do not correspond to established materials used in plumbing, helping to clarify that the correct answer defines the specific polymer recognized for its applications in the field.