English

Definition of derailment noun from the Oxford Advanced Learner's Dictionary

 

derailment

 noun
noun
BrE BrE//dɪˈreɪlmənt//
 
; NAmE NAmE//dɪˈreɪlmənt//
 
[countable, uncountable]
 
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an occasion when a train leaves the track; the act of making this happen the derailment of a passenger train