united states department of defense

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united states department of defense

The Pentagon is the headquarters of the United States Department of Defense.

Definition
  1. Proper noun:
    • The United States federal executive department responsible for coordinating and supervising all agencies and functions of the government directly related to national security and the United States Armed Forces. It is the primary institution through which military policy is formulated and executed.
Usage
  • The term "United States Department of Defense" is used as a singular, formal proper noun to refer to the specific cabinet-level department.
  • It is often abbreviated as "DoD" or "the Pentagon" (referring to its headquarters building).
  • It is typically preceded by the definite article "the".
Examples
  • Proper noun:
    • The United States Department of Defense released its annual budget report.
    • She works as a civilian analyst for the United States Department of Defense.
    • Major policy decisions require approval from the United States Department of Defense.
Advanced Usage
  • "The Department of Defense" (DoD): The standard abbreviated form used in official and common discourse.
    • The DoD issued a statement on the new security initiative.
  • "The Pentagon": A common metonym for the leadership and bureaucracy of the Department of Defense, named after its headquarters building.
    • The Pentagon has denied the allegations.
Variants and Related Words
  • DoD: The official acronym.
  • The Pentagon: A synecdoche for the Department of Defense.
  • Secretary of Defense: The civilian head of the department.
  • Department of Defense (DoD) contractor: A company providing goods or services to the department.
Synonyms
  • The Defense Department: A common shortened synonym.
  • The War Department (historical): Its predecessor, which existed from 1789 to 1947.
Notes on Different Meanings
  • This term refers specifically to the U.S. institution. Other countries have similarly named departments (e.g., the Ministry of Defence), but they are distinct entities.
  • It should not be confused with the Department of Homeland Security, which is a separate department focused on domestic security and civilian matters.
united states department of defense

The Pentagon is the headquarters of the United States Department of Defense.

Noun
  1. the federal department responsible for safeguarding national security of the United States; created in 1947

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