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international orange (uncountable)

  1. A reddish-orange colour used to set things apart from their surroundings, especially in the aerospace industry.
    • 1937, United States Bureau of Air Commerce, Aeronautics Bulletin
      The width of the chrome-yellow or international orange bands should be one-seventh the height of the structure for all structures less than 250 feet []
    • 1945, United States Civil Aeronautics Administration, Civil Aeronautics Bulletin
      This specification covers the general requirements for international orange paint for use on steel, concrete and wood surfaces, such as galvanized steel []
    • 1993, Robert J. Johnson, C. Daniel Mote, John Zelcer, Skiing Trauma and Safety: Ninth International Symposium
      Colors such as black lettering on an international orange background are common and are easily visible in most conditions.