Adjacent Words

Po definitions

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WordNet (r) 3.0 (2005)

n
1: 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 [syn: polonium, Po, atomic number 84]
2: a noncommissioned officer in the Navy or Coast Guard with a rank comparable to sergeant in the Army [syn: petty officer, PO, P.O.]
3: a European river; flows into the Adriatic Sea [syn: Po, Po River]
4: an independent agency of the federal government responsible for mail delivery (and sometimes telecommunications) between individuals and businesses in the United States [syn: United States Post Office, US Post Office, Post Office, PO]

Merriam Webster's

abbreviation Etymology: Latin per os by mouth; orally

Merriam Webster's

abbreviation 1. petty officer 2. postal order 3. post office 4. purchase order

Merriam Webster's

I. symbol polonium II. geographical name or ancient Padus river 405 miles (652 kilometers) N Italy flowing from slopes of Mt. Viso E into the Adriatic through several mouths

Oxford Reference Dictionary

abbr. 1 Post Office. 2 postal order. 3 Petty Officer. 4 Pilot Officer.

Oxford Reference Dictionary

symb. Chem. the element polonium.

Oxford Reference Dictionary

n. (pl. pos) Brit. colloq. a chamber-pot.

Webster's 1913 Dictionary

Phosphoryl Phos"phor*yl, n. [Phosphorus + -yl.] (Chem.) The radical PO, regarded as the typical nucleus of certain compounds.

Collin's Cobuild Dictionary

also P.O. PO is an abbreviation for Post Office or postal order.