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Definition of whereby adverb from the Oxford Advanced Learner's Dictionary

whereby

adverb
 
/weəˈbaɪ/
 
/werˈbaɪ/
(formal)
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  1. by which; because of which
    • They have introduced a new system whereby all employees must undergo regular training.
    Topics Change, cause and effectc1
See whereby in the Oxford Advanced American DictionarySee whereby in the Oxford Learner's Dictionary of Academic English
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adverb
 
 
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