PU
WordNet
noun
(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
WiktionaryText
PU
- polyurethane
- expression used when encountering a displeasing smell
- pickup (as in, pickup artist)
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