Reference meaning
Po
Last updated
a radioactive metallic element that is similar to tellurium and bismuth; occurs in uranium ores but can be produced by bombarding bismuth with neutrons in a nuclear reactor
Related source terms
poloniumatomic number 84
Other meanings
2. noun
a noncommissioned officer in the Navy or Coast Guard with a rank comparable to sergeant in the Army
3. noun
a European river; flows into the Adriatic Sea
4. noun
an independent agency of the federal government responsible for mail delivery (and sometimes telecommunications) between individuals and businesses in the United States
Source and scope
This definition is reproduced from Princeton WordNet 3.0, sense 14650556-n, under the WordNet 3.0 License. It has not yet received VocabularyBase editorial review. Read the source and license details.