English Reference

Word

unification

Phoneticsuni·fi·ca·tion

US/ˌjunəfəˈkeɪʃən/

UK/jˌuːnɪfɪkˈeɪʃən/

Definitions

01joining parts together

B2 · Upper Intermediate Uncountable noun

n. the process of joining different parts, groups, or countries to form one single unit.

n. the act or process of consolidating separate entities into a single, unified whole. Often used in political or organizational contexts.

“The unification of the two companies took almost a year to complete.”

“Historians continue to debate the long-term economic consequences of the country's rapid political unification in the late twentieth century.”

02the state of being one

B2 · Upper Intermediate Uncountable noun

n. the state of being joined together as one group.

n. the state or condition of being unified into a single entity.

“The team worked hard to achieve a sense of unification before the tournament.”

“The proposed treaty aims for the total unification of trade standards across all member states to eliminate market friction.”

Synonyms

Antonyms

disunity

03solving symbolic equations

C2 · Proficiency Uncountable noun Computing Technical

n. a process in logic or computing used to find how two different expressions can be made the same.

n. an algorithmic process of solving equations between symbolic expressions by finding a substitution that makes them identical.

“The software uses unification to check if the two pieces of code match.”

“In logic programming, unification serves as the fundamental mechanism for binding variables and navigating search trees during execution.”

Synonyms

Real-World Examples

“B etween the unification of Italy, in 1861, and 1985, around 29 million Italians left the peninsula.”
Aeon 15 Sept 2026
“Trump’s comments were awkward for the Irish government, which prefers to discuss cross-border initiatives rather than unification.”
The Guardian 13 Sept 2026

Etymology

Either: * from unify + -ification (suffix forming nouns denoting acts or processes whereby subjects become something else); or * borrowed from French unification; or * borrowed from Italian unificazione.

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

Word family

NOUN

ADJECTIVE

Domain

Logic

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.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL 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: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Frequent
Level
B2 · Upper Intermediate
Updated

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English Reference