transaction
US /trænˈzæk.ʃən/
UK /trænˈzæk.ʃən/

1.
an instance of buying or selling something; a business deal
:
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The bank processed the transaction quickly.
•
All financial transactions are recorded.
2.
an act of transacting or being transacted
:
•
The transaction of daily business was efficient.
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This report details the entire transaction process.