improper rotation Directory References Discover 7 Deadliest Weapons in History Why Do Some Cicadas Appear Only Every 17 Years? 9 Memorials and Monuments in the United States Water Fluoridation: Just the Facts 9 of the World’s Deadliest Snakes 12 Novels Considered the “Greatest Book Ever Written” Timeline of the 2000s 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
