Inventions and Discoveries dictionary is a free dictionary containing over 2000+ inventions for general knowledge and competitive exams . A complete Inventions dictionary containing scientific inventions also . A perfect all for students preparing for BANK PO , UPSC and other competitive exams Now No internet Required for searching . You can Search By Word / Initials Features - Ideal for use in games and puzzles - BookMark Favourite Inventions - Regular Updates - Complete support