Pronunciation: (trans'yoo-ran'ik, tranz'-, trans"-, tranz"-), [key] Chem., Physics.
any element having an atomic number greater than 92, the atomic number of uranium. All such elements are radioactive and can be synthesized by bombarding a heavy element with a light particle or element. Also,trans•u•ra'ni•um el"ementPronunciation: (trans"yoo-rā'nē-um, tranz"-). [key]
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.