noun: (biology) Porcine parvovirus, a virus causing reproductive failure of swine.
noun: (countable, by extension) A positive pressure ventilation machine, a PPV device
noun: (television) Initialism of pay-per-view. [(often attributive) A system of viewing individual television programmes for an additional charge over and above that for the standard service; normally used on cable and satellite systems.]
noun: Initialism of purchase price variance.
noun: (polymers) Initialism of polyphenylene vinylene. [A conducting polymer of the rigid-rod polymer host family, used in polymer-based organic light-emitting diodes. Abbreviation: PPV]
noun: (medicine) Abbreviation of positive pressure ventilation.
noun: (law enforcement) Abbreviation of police pursuit vehicle.
