(chemistry) the state of an atom having a particular oxidation number

(physics) A superposition of the most extreme states possible in a system, analogous with Schrödinger's cat, which is in a superposition of "dead" and "alive".

(physics) A composite of two or more particles that behaves as a single particle.

(US politics) The State of the Union address, an annual event in which a president of the United States reports the status of the country, normally to a joint session of the United States Congress.

(philately) any of the Indian feudal states which operated their own internal postal services during the time of the British Empire, issuing stamps that were only valid within the state.

(philately, historical) Any of the Indian feudal states which, during the time of the British Empire, used overprinted Indian stamps valid for postage outside the state.

(sciences) Any of the different phases of matter whose properties are dependent on the motions and forces of the molecules of which they are composed.

plural of state capital

(government, politics) A political entity (a state) associated with a particular cultural entity (a nation) and a sovereign territorial unit.

A political entity whose political status is less than that of a fully sovereign nation-state, as with the former Congo Free State and the former Irish Free State.