chain

IPA/tʃeɪn/
KK[tʃˈen]IPA/tʃeɪn/

chain — noun

  • chainsingular
  • chainsplural

1. a connected row or sequence of similar things or people, with each part followin

1.nounB1
Definition

a connected row or sequence of similar things or people, with each part following or joining the next

Example

Volunteers formed a chain to pass water bottles down the crowded street.

form a chain

A chain of small islands stretches across the blue water south of Okinawa.

Common collocations
  • a chain of islands
  • a chain of people
  • a paper chain
  • form a chain
Synonyms
  • series

    more general and does not always suggest direct links

  • string

    often used for a line of similar items or repeated events

  • line

    can describe a row, but not always linked in the same way

Grammar Patterns

a chain of + plural noun

form a chain

Usage Note

Often used with 'of' to name the linked items. Distinguish from sense 3, where the links are events or causes rather than physical items or people.

2. a row of mountains joined to each other to make one range

2.nounB2
Definition

a row of mountains joined to each other to make one range

Example

The train crossed a mountain chain before reaching the coastal city.

collocation: mountain chain

Snow stayed on that chain of peaks long after spring arrived.

Common collocations
  • a mountain chain
  • a chain of hills
  • a volcanic chain
  • cross a chain
Synonyms
  • range

    the more common general word for a connected group of mountains

Grammar Patterns

a mountain chain

a chain of mountains

Usage Note

Usually appears in geography or travel writing with words such as 'mountain' or 'volcanic'.

3. a run of related events in which one step leads to the next

3.nounB2
Definition

a run of related events in which one step leads to the next

Example

One missed email started a chain of problems for the travel team.

a chain of problems

The falling tree set off a chain of accidents on the wet road.

set off a chain of ...

Common collocations
  • a chain of events
  • a chain of accidents
  • trigger a chain
  • break the chain
Synonyms
  • sequence

    focuses on order, sometimes with less emphasis on cause

  • progression

    suggests development from one stage to another

Grammar Patterns

a chain of events

set off a chain of + plural noun

Usage Note

Usually abstract. Unlike sense 1, this sense is about causes and results rather than objects or people in a line.

4. a company network of stores, hotels, restaurants, or similar businesses under th

4.nounB1
Definition

a company network of stores, hotels, restaurants, or similar businesses under the same ownership

Example

The coffee chain opened its first branch in Kaohsiung this spring.

collocation: coffee chain

Small bakeries worried when the supermarket chain moved into the town.

collocation: supermarket chain

Common collocations
  • a supermarket chain
  • a hotel chain
  • a clothing chain
  • part of a chain
Synonyms
  • franchise

    close in business use, but often stresses licensing arrangements

  • brand network

    broader business phrase for related outlets

Grammar Patterns

a hotel chain

a supermarket chain

part of a chain

Usage Note

Focuses on shared ownership and management. A single shop can be part of a chain, but the word usually names the whole business group.

Common Mistakes

This cafe is a chain shop.
This cafe is part of a chain.
'chain' usually describes the group of businesses, not one branch by itself.

5. a flexible line of linked metal rings used to lock, pull, hang, or decorate some

5.nounA2
Definition

a flexible line of linked metal rings used to lock, pull, hang, or decorate something

Example

Jude locked the gate with a thick chain and a brass padlock.

lock something with a chain

A silver chain hung from the old watch in the wooden drawer.

Common collocations
  • a heavy chain
  • a silver chain
  • put the chain on the door
  • pull a chain
Synonyms
  • links

    focuses on the connected rings that make up the chain

  • necklace

    only when the chain is worn as jewellery

Grammar Patterns

a chain

a chain around + noun

put the chain on the door

Usage Note

This sense can refer to one piece of chain, the material itself, or a jewellery chain. In 'put the chain on the door', it means the short safety chain inside a door.

Common Mistakes

She wore a silver necklace chain.
She wore a silver chain.
A simple necklace made of linked metal can already be called a 'chain'.

6. linked metal loops fitted around a car tire to help it grip snowy or icy roads

6.nounB2
Definition

linked metal loops fitted around a car tire to help it grip snowy or icy roads

Example

Before the storm, Eli put chains on the truck's front tires.

put chains on the tires

Road signs warned drivers to carry chains beyond the mountain tunnel.

Common collocations
  • snow chains
  • carry chains
  • fit the chains
Synonyms
  • snow chains

    full form, especially common outside specialist contexts

Grammar Patterns

put chains on the tires

carry chains

Usage Note

Usually plural in everyday use. American English often says 'snow chains' for extra clarity.

Common Mistakes

He put chains on the road.
He put chains on the tires.
This sense refers to the metal loops attached to vehicle wheels.

7. the field-measuring equipment in American football, made of two posts joined by

7.nounC2
Definition

the field-measuring equipment in American football, made of two posts joined by a chain and used to check a first down

Example

The chains showed the runner was inches short of a first down.

the chains — football measuring equipment

Television viewers waited while the referee called for the chains.

Common collocations
  • bring out the chains
  • place the chains
  • the chains crew
Synonyms

Grammar Patterns

bring out the chains

measure with the chains

Usage Note

Usually called 'the chains' because the measuring device is used as a set on the field.

8. the state of being fastened or held with metal chains

8.nounC1
Definition

the state of being fastened or held with metal chains

Example

The prisoners were kept in chains during the long march north.

be in chains

In the film, the giant breaks his chains and runs for the gate.

break your chains

Common collocations
  • be in chains
  • keep someone in chains
  • break your chains
Synonyms
  • shackles

    usually the metal devices themselves rather than the state

  • bondage

    broader and more formal

Grammar Patterns

be in chains

keep someone in chains

Usage Note

Almost always used in the phrase 'in chains'. Distinguish from sense 9, which is figurative rather than literal.

9. anything that keeps a person or group from acting freely

9.nounB2
Definition

anything that keeps a person or group from acting freely

Example

Debt can become a chain that keeps a family from moving forward.

figurative use: a chain that keeps someone from ...

Many writers saw censorship as a chain on free thought.

Common collocations
  • the chains of debt
  • break the chains
  • cut the chain
Synonyms
  • restraint

    formal and general

  • constraint

    often used for limits on action or choice

  • bond

    can suggest a tie that restricts freedom

Grammar Patterns

the chains of + abstract noun

break a chain

Usage Note

Often figurative and emotional, used with words such as debt, fear, or oppression. Distinguish from sense 8, which is literal.

10. a connected set of house sales where each buyer must sell before the next purcha

10.nounC1
Definition

a connected set of house sales where each buyer must sell before the next purchase can finish

Example

Their offer fell apart because the buyers were stuck in a chain.

be in a chain

The lawyer asked whether the flat sale depended on a long chain.

Common collocations
  • be in a chain
  • a long chain
  • the chain collapses
Synonyms

Grammar Patterns

be in a chain

a long chain

Usage Note

Mainly British property language. It describes several dependent sales, not a physical chain.

11. an old surveying measure worth 66 feet, or a little over 20 metres

11.nounC2
Definition

an old surveying measure worth 66 feet, or a little over 20 metres

Example

The old map marked the farm as ten chains from the river.

ten chains

Survey notes said the fence ran three chains along the road.

Common collocations
  • ten chains
  • three chains long
  • one chain equals sixty-six feet

Grammar Patterns

ten chains

three chains long

Usage Note

Mostly found in older maps, surveying, and historical writing.

12. a connected row of atoms or attached groups within a molecule

12.nounC1
Definition

a connected row of atoms or attached groups within a molecule

Example

The teacher drew a carbon chain across the board during chemistry class.

collocation: carbon chain

Heating changed the side chain attached to the main molecule.

collocation: side chain

Common collocations
  • a carbon chain
  • a side chain
  • polymer chains
Synonyms

Grammar Patterns

a carbon chain

a side chain

polymer chains

Usage Note

Used in chemistry, especially when describing carbon atoms in organic compounds.

Idioms

a person, duty, or problem that makes someone feel tied down and unable to do what they want

He joked that the endless paperwork had become a ball and chain around his ankle.

The old debt felt like a ball and chain whenever Mina tried to make a fresh start.

one stage or part in a process where each part depends on the next

Packing is only one link in the chain that gets the fruit from farm to store.

A missed safety check became the weakest link in the chain of repairs.

the person, stage, or part most likely to fail and cause trouble for the whole system

The old bridge was the weak link in the chain of supply routes.

Managers discovered that late data entry was the weak link in the chain.

chain — verb

Word family

  • chained
    adjectiveB2
  • chain reaction
    nounB2
  • chain store
    nounB2

Synonym discussion

Sense: noun/1

A chain suggests that the parts are directly linked or affect one another. A series is more general and may simply mean several things in order. A sequence focuses on order in time or steps. A string often suggests many similar items or events in a row, sometimes with a more informal tone.

Common collocations

Phrases

  • a chain of events
  • part of a chain
  • put the chain on the door
  • chain commands together

Prepositions

Etymology

LatinAnglo-FrenchMiddle EnglishEnglish

English chain came through Anglo-French from Latin catena, carrying the idea of linked rings or bonds.

First known use

14th century

14th century, in the meaning defined at sense 1a Verb