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transaction (EN)
noun

noun “transaction”

singular transaction, plural transactions
  1. an instance of buying or selling something; a business deal
    After months of negotiation, the transaction to purchase the property was finally completed.
  2. (finance) the action of transferring money between accounts
    She monitored her account daily to track all her transactions.
  3. (computing) an operation performed on data that must be completed fully or not at all
    The database handles each transaction carefully to prevent data corruption.
  4. (psychology) a social interaction between individuals
    The therapist analyzed the transactions between family members during the session.