puer
6 points
English
4 letters
Not in frequency data
Valid in: UK dictionary
Definitions
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
Definition: WordNet 3.1, Princeton University.