English

Definition of early warning noun from the Oxford Advanced Learner's Dictionary

 

early warning

 noun
noun
BrE BrE//ˌɜːli ˈwɔːnɪŋ//
 
; NAmE NAmE//ˌɜːrli ˈwɔːrnɪŋ//
 
[uncountable, singular]
 
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a thing that tells you in advance that something serious or dangerous is going to happen an early warning of heart disease an early warning system (= of enemy attack)
See the Oxford Advanced American Dictionary entry: early warning