Meaning of PU

WordNet Dictionary
	Definition:		[n]  a radioactive transuranic element that is similar to uranium; 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
	Websites:
	Synonyms:		atomic number 94, plutonium
	See Also:		chemical element, element, plutonium 239