English Reference

Word

transaction

Phoneticstrans·ac·tion, stress on the second syllable

US/tɹænˈzækʃən/

UK/tɹænsˈækʃən/

Definitions

01business exchange

B2 · Upper Intermediate Countable noun

n. the act of buying or selling something, or an exchange of money for goods.

n. an instance of buying or selling; a business deal or the exchange of funds, goods, or services.

“The entire transaction took only a few seconds using the mobile app.”

“The bank monitors every financial transaction for suspicious activity to prevent international money laundering and fraud.”

Synonyms

02computing

C1 · Advanced Countable noun Computing Technical

n. a set of computer operations that must all happen together or not at all.

n. an atomic sequence of operations in a database or system that is treated as a single unit of work.

“If the power goes out during the transaction, the database will undo the partial changes.”

“To ensure data integrity, the system wraps the inventory update and the payment processing into a single database transaction.”

Usage

Often used in the context of database management and ACID properties.

Synonyms

operationunit of work

03social interaction

C1 · Advanced Countable noun Academic

n. an instance of people communicating or behaving toward each other.

n. a communicative action or social interaction between two or more people.

“The psychologist studied the transaction between the mother and her child.”

“The study focuses on the linguistic transactions that occur in high-stakes corporate negotiations.”

04published records

C2 · Proficiency Plural noun Formal

n. the official written records of a meeting or a professional group.

n. the published records of the proceedings of a learned society or professional organisation.

“You can find the research paper in the latest Transactions of the Royal Society.”

“The library maintains an extensive archive of the society's annual transactions dating back to the nineteenth century.”

Usage

Almost always used in the plural form 'transactions'.

Collocations

Common phrases and expressions where native English speakers use the word “transaction” in context.

Noun

01. transaction cost

“Investors must consider the transaction cost of each trade to accurately calculate their net profit.”

noun + noun

Real-World Examples

“Criminals like cash because unlike card transactions or bank transfers, it is largely untraceable, which makes it useful for both transactions and money laundering.”
BBC News 7 Jun 2026
“That made admission less a transaction than a delicate equation of geography, endurance and luck.”
The Guardian 7 Aug 2026

Etymology

Borrowed from Middle French transaction, from Old French transaccion, from Late Latin transactio.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

NOUN

transaction(C1)

Related words

Domains

ComputingFinanceProgramming

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
Frequency
Common
Level
C1 · AdvancedOxford
Updated

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English Reference