wherein
conj. C1 Advanced US //hwɛˈɹɪn// UK //wˈeəɹɪn// where·in
conj. in which or in what part. You use this to point to a specific place, situation, or document where something happens.
conj. in which; in which place, situation, or respect. Used to introduce a relative clause describing the circumstances or location of an action.
This is the contract wherein the rules are listed.
The researchers published a study wherein they detailed the effects of the new medication on sleep patterns.
The philosopher describes a hypothetical state of nature wherein every individual acts solely according to their own immediate desires without regard for social cohesion.
From Middle English wherin; equivalent to where- + in.
Usage
Formal or legal register; functions as a relative adverb or conjunction to link clauses.