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.

synoniemen: atomic number 84, polonium.

Nederlands: polonium
Pools: polon, Po

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

synoniemen: P.O., petty officer.

Pools: bosman

A European river; flows into the Adriatic Sea.

synoniem: Po River.

Nederlands: Po
Pools: Pad

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

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

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