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Definition of PO
1. Noun. 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.
2. Noun. A noncommissioned officer in the Navy or Coast Guard with a rank comparable to sergeant in the Army.
Exact synonyms: P.o., Petty Officer
Specialized synonyms: Master-at-arms, Scpo, Senior Chief Petty Officer
Generic synonyms: Enlisted Officer, Noncom, Noncommissioned Officer
Specialized synonyms: Master-at-arms, Scpo, Senior Chief Petty Officer
Generic synonyms: Enlisted Officer, Noncom, Noncommissioned Officer
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.
Exact synonyms: Post Office, United States Post Office, Us Post Office
Generic synonyms: Independent Agency
Generic synonyms: Independent Agency
Definition of PO
1. Initialism. Post office ¹
2. Initialism. (law enforcement) Police Officer ¹
3. Initialism. (law enforcement) Probation officer ¹
4. Initialism. (business) Purchase order ¹
5. Initialism. (pharmacology) By mouth ¹
6. Proper noun. (rivers) Italy's longest river, which flows 652 kilometers eastward to the Adriatic Sea near Venice. ¹
7. Noun. (obsolete) A peacock. ¹
8. Noun. (UK Australia NZ colloquial dated) A chamberpot. ¹
¹ Source: wiktionary.com
Definition of PO
1. a chamberpot [n -S]
Medical Definition of PO
1. Symbol for polonium. (05 Mar 2000)