Noun pvc has 2 senses
  1. 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
  2. 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
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