The meaning of REVISION is an act of revising. How to use revision in a sentence. Revision is a noun that means a change to something to make it more accurate, or study that you do before taking a test. Learn more about the meaning, pronunciation and translations of revision in different languages. CAT 2025 revision tool launched for last 30 days preparation for CAT exam. Cover additional features like flashcards, important concept videos and more. Study Notes, Books, Resources, and Exam paper questions organised by topic and difficulty for IB, AP, SAT, ACT, GCSE, IGCSE and A Level.