Definition of deflection noun from the Oxford Advanced American Dictionary

 

deflection

 noun
noun
NAmE//dɪˈflɛkʃn//
 
[uncountable, countable, usually singular]
 
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a sudden change in the direction that something is moving in, usually after it has hit something; the act of causing something to change direction the angle of deflection the deflection of the missile away from its target The goal was scored with a deflection off the goalkeeper.
See the Oxford Advanced Learner's Dictionary entry: deflection