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State commonly refers to either the condition of a system or entity, or to a governed entity (such as a country) or subentity (such as an autonomous territory of a country).

Law and politics[edit]

  • State (polity), the organization of the body politic; could also be a legal person
  • Sovereign state, a sovereign political entity in public international law
  • Nation state, a state which coincides with a nation
  • Member state, a member of an international organization such as the United Nations
  • Federated state, a political entity forming part of a federal sovereign state such as the United States, Australia, India and Brazil
  • "State", is in some contexts virtually synonymous with "government", e.g., to distinguish from private entities



  • Rechtsstaat, the legal state (constitutional state, state subordinated to law) in philosophy of law and as principle of many national constitutions

Science and technology[edit]

Biology and psychology[edit]


  • State of matter, solid, liquid or vapour phases of matter. it describes the organization of matter in a phase
  • Chemical state, the electronic, chemical and physical nature of an element





  • In classical mechanics, state is a complete description of a system in terms of parameters such as positions and momenta at a particular moment in time
  • Quantum state, in physics, the state of a quantum mechanical system given by a vector in the underlying Hilbert space
  • Excited state
  • Dynamical systems, a concept in mathematics where a fixed rule describes the time dependence of a point in a geometrical space
  • Stationary state, an eigenvector of a Hamiltonian
  • Thermodynamic state, a set of physical quantities (e.g. temperature, pressure, and composition) describing variable properties of a given thermodynamic system

Entertainment and communication[edit]




See also[edit]