English Reference

Word

compilation

Phoneticscom·pi·la·tion, stress on the third syllable

US/ˌkɑmpəˈɫeɪʃən/

UK/kˌɒmpɪlˈeɪʃən/

Definitions

01a collection of items

B2 · Upper Intermediate Countable noun

n. a book, CD, or list that is made by putting together different pieces of information or music.

n. a work, such as a book or record, composed of materials gathered from various sources. Countable in this sense.

“The band released a compilation of their greatest hits from the last ten years.”

“The editor spent months working on a compilation of nineteenth-century poetry, selecting only the most influential works from that era.”

02the act of gathering

B2 · Upper Intermediate Uncountable noun

n. the process of collecting information or items from different places to create something new.

n. the act or process of compiling or gathering together from various sources. Often uncountable.

“The compilation of the annual report took the team several weeks of hard work.”

“The compilation of such a massive database required the cooperation of several international research departments over a five-year period.”

03computing process

C1 · Advanced Uncountable noun Computing Technical

n. the process where a computer turns instructions written by a person into a language the machine can understand.

n. the translation of source code into object code or machine language by a compiler.

“The program failed during compilation because of a small error in the code.”

“Optimising the compilation process can significantly reduce the time it takes for the software to execute complex mathematical functions.”

Usage

Often used as an uncountable noun when referring to the general process.

Real-World Examples

“A YouTube video purports to be a compilation of recordings of Harpo’s voice.”
Smithsonian Magazine 10 Jun 2026
“So maybe it is not surprising then that in the compilation of the 20 most expensive transfers completed that only six were not to clubs in the English top flight.”
BBC News 2 Sept 2026

Etymology

English compile + -ation, from Middle French, from Latin compilatio (“a raking together, a plundering, a collection of documents”).

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

Word family

NOUN

Domains

ComputingProgramming

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