noun: (chemistry, physics) Initialism of Integrated Physics and Chemistry.
noun: (computing) Initialism of interprocess communication. [(computing) A set of techniques for the exchange of data among two or more threads in one or more processes.]
noun: (India, criminal law) Initialism of Indian Penal Code, the official criminal code of India.
noun: (sports) Initialism of International Paralympic Committee.
noun: (publishing) Initialism of International Publishing Company. (Now IPC Media.)