PVC

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. a polymer of vinyl chloride used instead of rubber in electric cables
• Syn:
polyvinyl chloride
• Hypernyms:
vinyl polymer, vinyl resin, polyvinyl resin
2. irregularity of cardiac rhythm;
recurrent occurrences can be a precursor of ventricular fibrillation
• Syn:
premature ventricular contraction
• Hypernyms:
cardiac arrhythmia, arrhythmia