improper rotation Directory References Discover The Rise of the Machines: Pros and Cons of the Industrial Revolution The Lost Colony of Roanoke Attack on Pearl Harbor Timeline The 10 Greatest Basketball Players of All Time Periods of American Literature 6 Important Mughal Emperors 9 of the World’s Deadliest Snakes Contents improper rotation crystallography Ask the Chatbot a Question Ask the Chatbot a Question Learn about this topic in these articles:description of symmetry In symmetrySo-called improper rotations are rotations followed by reflections (known as rotoreflections) or rotations followed by inversions (called rotoinversions).Read More