XB means Experimental Bomber Prototype

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

         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.