Word
PVC, n.
irregularity of cardiac rhythm; recurrent occurrences can be a precursor of ventricular fibrillation
<noun.state>
PVC
premature ventricular contraction
semantic pointers
hypernym
cardiac arrhythmia, arrhythmia
a polymer of vinyl chloride used instead of rubber in electric cables
<noun.substance>
PVC
polyvinyl chloride
semantic pointers
hypernym
vinyl polymer, vinyl resin, polyvinyl resin