po

Noun
  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 (synset 114674735)
    is a type of: metal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
    same as: atomic number 84, polonium
  2. A noncommissioned officer in the Navy or Coast Guard with a rank comparable to sergeant in the Army (synset 110440554)
    is a type of: enlisted officer, noncom, noncommissioned officer - a military officer appointed from enlisted personnel
    subtypes:
    • master-at-arms - the senior petty officer; responsible for discipline aboard ship
    • scpo, senior chief petty officer - a senior noncommissioned officer in the Navy or Coast Guard with a rank comparable to master sergeant in the Army
    same as: p.o., petty officer
  3. A European river;
    Flows into the Adriatic Sea (synset 109419025)
    is an instance of: river - a large natural stream of water (larger than a creek)
    is a part of: italia, italian republic, italy - a republic in southern Europe on the Italian Peninsula; was the core of the Roman Republic and the Roman Empire between the 4th century BC and the 5th century AD
    same as: 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 (synset 108162285)
    is a type of: independent agency - an agency of the United States government that is created by an act of Congress and is independent of the executive departments
    same as: post office, united states post office, us post office

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