PK - Definition and Overview

PK may stand for:

• Pakistan (ISO 3166-1 alpha-2 country code)
• Pakistan International Airlines (IATA code)
• Paperinik
• Penalty kick
• Peak or park (map abbreviation)
• Pharmacokinetics
• Pickoff (baseball)
• pK - negative logarithm of the dissociation constant K (-logK)
• Placekicker (American football)
• Primary key
• Probability of kill (often used in simulation)
• Public key
• Preacher's kid (or pastor's kid, or, in the Anglican and [presumably] Eastern Orthodox denominations, Priest's kid. Also, occasionally, prophet's kid) (generally a tongue-in-cheek reference)
• Psychokinesis
• Player killer (in MMORPGs, MUDs and other computer role-playing games)
• Abbreviation of a profanity in Cantonese, meaning "damn it!" or "damned person".
• PK machine gun originating from the Soviet Union and produced by Russia.
• Parkour, an extreme sport