WordNet (r) 3.0 (2006):
Pu
    n 1: 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 [syn: plutonium,
         Pu, atomic number 94]
V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):
PU
       Physical Unit (NAU)
V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):
PU
       Power Unit
V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):
PU
       Processing Unit