- polyvinyl chloride, PVC - a polymer of vinyl chloride used instead of rubber in electric cables
--1 is a kind of vinyl polymer, vinyl resin, polyvinyl resin
- premature ventricular contraction, PVC - irregularity of cardiac rhythm; recurrent occurrences can be a precursor of ventricular fibrillation
--2 is a kind of cardiac arrhythmia, arrhythmia