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.

synonyms: atomic number 84, polonium.

Dutch: polonium
Polish: polon, Po

A noncommissioned officer in the Navy or Coast Guard with a rank comparable to sergeant in the Army.

synonyms: P.O., petty officer.

Polish: bosman

A European river; flows into the Adriatic Sea.

synonym: Po River.

Dutch: Po
Polish: Pad

An independent agency of the federal government responsible for mail delivery (and sometimes telecommunications) between individuals and businesses in the United States.

synonyms: Post Office, United States Post Office, US Post Office.

Dutch: postkantoor, P.T.T., PTT, post, postbedrijf, posterijen