logo
Free & Quick Proofreading from Grammarly!

pu Meaning, Definition & Usage

  1. noun a solid silvery grey radioactive transuranic element whose atoms can be split when bombarded with neutrons; found in minute quantities in uranium ores but is usually synthesized in nuclear reactors; 13 isotopes are known with the most important being plutonium 239
    atomic number 94; plutonium.
WordNet