Fermium is a rare and highly radioactive element with the symbol Fm. It was discovered in 1952 and is named after the physicist Enrico Fermi. Synonyms for fermium are few and far between as it is a relatively new element that has only been studied for a short period of time. Some synonyms include element 100 and unnilennium, which are both based on the atomic number of fermium. However, these synonyms are not commonly used in scientific literature. As fermium is such a unique element, it is often referred to simply as fermium in scientific discussions.