the action of a train or tram leaving its tracks accidentally.
"an investigation into the derailment of a freight train"
the obstruction of a process by diverting it from its intended course.
"the derailment of the peace process"
an occasion when something causes a train to come off a railway track
longitude lines run top to bottom, and the center line runs through england and africa. to the left is west and to the right east. the earth is divided into seven continents: africa, antarctica, asia, australia, europe, north america and south america.
what is derailment ...