Disappear :: Disappear (v. i.) To cease to appear or to be perceived; to pass from view, gradually or suddenly; to vanish; to be no longer seen; as, darkness disappears at the approach of light; a ship disappears as she sails from port..
Disappear :: Disappear (v. i.) To cease to be or exist; as, the epidemic has disappeared..
Disappearance :: Disappearance (n.) The act of disappearing; cessation of appearance; removal from sight; vanishing.