Recurrent occurrences can be a precursor of ventricular fibrillation

• Pipe insulation abbr
• Insulation ingredient, for short
• Plumber's pipe material (Abbr.)
• Water-carrying pipe material
• Pipe material
• Plastic compd
• Letters for plumbing pipes
• Plastic used in piping
• Pipe material, for short

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
also P.V.C. , initialism (acronym) from polyvinyl chloride (1933); see polyvinyl .