transaction

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trans·ac·tion / tranˈsakshən; -ˈzak-/ • n. an instance of buying or selling something; a business deal: in an ordinary commercial transaction a delivery date is essential. ∎  the action of conducting business. ∎  an exchange or interaction between people: intellectual transactions in the classroom. ∎  (transactions) published reports of proceedings at the meetings of a learned society. ∎  an input message to a computer system that must be dealt with as a single unit of work.DERIVATIVES: trans·ac·tion·al / -shənl/ adj.trans·ac·tion·al·ly / -shənl-ē/ adv.

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