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

  

whereby

 adverb
adverb
BrE BrE//weəˈbaɪ//
 
; NAmE NAmE//werˈbaɪ//
 
(formal)
 
jump to other results
by which; because of which They have introduced a new system whereby all employees must undergo regular training.
See the Oxford Advanced American Dictionary entry: whereby