Ray or RAY may refer to:

Fish

Science and mathematics

  • Ray (geometry), half of a line proceeding from an initial point
  • Ray (graph theory), an infinite sequence of vertices such that each vertex appears at most once in the sequence and each two consecutive vertices in the sequence are the two endpoints of an edge in the graph
  • Ray (optics), an idealized narrow beam of light
  • Ray (quantum theory), an equivalence class of state-vectors representing the same state

Arts and entertainment

Music

Fictional characters and mascots

Other media

People

Places

Iran

Russia

United Kingdom

United States

Elsewhere

Technology

Transportation

Vehicles

Other uses in transportation

Other uses

See also

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