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

 

escalation

 noun
noun
BrE BrE//ˌeskəˈleɪʃn//
 
; NAmE NAmE//ˌeskəˈleɪʃn//
 
[countable, uncountable]
 
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the act of becoming or making something greater, worse, more serious, etc. an escalation in food prices further escalation of the conflict