NPN means Negative Positive Negative

        What does NPN stand for? Abbreviation of NPN, definition of NPN, Explanation of NPN, Full forms of short form NPN.

         We are providing world largest and most comprehensive acronyms, abbreviations directory and search engine for acronyms on the Internet. Abbreviations Finder contains more than 7 million abbreviations and acronyms. You can also search for more than 740,000 general Comprehensive words.