English Reference

Word

machinery

Phoneticsma·chin·ery

US/məˈʃinɝi/

UK/məʃˈiːnəɹi/

Definitions

01industrial equipment

B2 · Upper Intermediate Uncountable noun

n. a group of large machines used in a factory or for a specific type of work.

n. the machines of a particular kind or those used in a specific place, considered collectively. Uncountable in this sense.

“The farm uses heavy machinery to harvest the wheat in late summer.”

“The factory floor was filled with heavy machinery, much of which had been imported from Germany to ensure the highest precision in manufacturing.”

Pitfall

The factory bought many machineries.

The factory bought a lot of machinery.

Machinery is an uncountable noun and does not have a plural form ending in -ies.

02moving parts

C1 · Advanced Uncountable noun Science Technical

n. the internal parts of a machine that make it move and work.

n. the working parts of a machine or instrument. Often used to describe the internal mechanisms of a device.

“You can see the complex machinery inside the old clock through the glass.”

“The engineer spent hours cleaning the delicate machinery of the watch, ensuring that every tiny gear could rotate without friction.”

03organizational systems

C1 · Advanced Uncountable noun Academic · Formal

n. the systems, rules, or people that make a large organization or government function.

n. the organized systems and procedures through which a complex organization or government operates.

“The machinery of government can be very slow when you need a quick answer.”

“The administrative machinery of the university was so complex that even simple requests took months to process through the various committees.”

04literary devices

C2 · Proficiency Uncountable noun Literary · Formal

n. the special methods or characters an author uses to make a story work.

n. the literary or dramatic devices used to move a plot forward or create a specific effect. Often refers to supernatural elements in classical poetry.

“The author uses the machinery of a ghost story to talk about real history.”

“Critics praised the way the playwright handled the machinery of the plot, weaving together three separate storylines into a single, satisfying conclusion.”

Collocations

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

Verb

01. oil the machinery

“Diplomatic visits are often intended to oil the machinery of international trade relations.”

verb + noun

02. operate the machinery

“Only certified technicians are permitted to operate the machinery in the high-voltage lab.”

verb + noun

03. set the machinery in motion

“The CEO's resignation set the machinery of succession in motion immediately.”

verb + noun + prep + noun

Adjective

04. bureaucratic machinery

“The bureaucratic machinery of the government often moves slowly when processing new visa applications.”

adj + noun

05. heavy machinery

“Operators must undergo rigorous safety training before using any heavy machinery on the construction site.”

adj + noun

06. intricate machinery

“The watchmaker spent hours cleaning the intricate machinery of the antique timepiece.”

adj + noun

Noun

07. machinery of government

“The new administration promised to modernize the machinery of government to improve efficiency.”

noun + of + noun

08. piece of machinery

“This expensive piece of machinery is essential for the precision engineering required in aerospace.”

noun + of + noun

Real-World Examples

“A number of aircraft and 50 fire engines, assisted by water tankers and construction machinery, were deployed to try and tackle the two fires.”
BBC News 16 Aug 2026
“They also have sophisticated molecular machinery that allows them to recognize particular bacteria, reproduce inside them and overcome the many defense systems bacteria have evolved to fight them.”
Phys.org 16 Aug 2026

Etymology

From machine + -ery. Compare French machinerie.

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

Word family

Domains

EngineeringTechnology

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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