Lawrencium, an element with atomic number 103, was named in honor of Ernest O. Lawrence, the inventor of the cyclotron. While lawrencium is a fairly unique name, there are some alternatives to refer to this element. One synonym for lawrencium is element 103, which is its position on the periodic table. Another synonym is Lr, the chemical symbol for lawrencium. In addition, some people may refer to lawrencium as a transuranic element, alongside other elements beyond uranium on the periodic table. While lawrencium is a relatively new addition to the periodic table, having been discovered in 1961, it has already garnered a few synonyms for those looking to refer to it in different ways.