A radioactive, metallic chemical element, the last member of the actinide series: originally produced by bombarding californium with boron nuclei: symbol, Lr; at. no. 103
a radioactive transuranic element synthesized from californium
Find another word for lr. In this page you can discover 2 synonyms, antonyms, idiomatic expressions, and related words for lr, like: lawrencium and atomic number 103.