twin

B1
UK/twɪn/US/twɪn/

Neutral to formal; common in everyday, scientific, and literary contexts.

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Definition

Meaning

One of two children born to the same mother at the same time.

Any two people or things that are very closely related, identical, or paired; also a bed for two people (twin bed).

Linguistics

Semantic Notes

The word can denote both the individuals (the twins) and the relationship (twin brother). It extends metaphorically to any close pair.

Dialectal Variation

British vs American Usage

Differences

No significant difference in core meaning. 'Twin bed' is equally common for a single bed size.

Connotations

Slightly more common in UK English in place names (e.g., Twinings tea).

Frequency

Equally frequent in both dialects.

Vocabulary

Collocations

strong
identical twinfraternal twintwin sistertwin brothertwin bedtwin engine
medium
twin towerstwin peakstwin settwin roomtwin flame
weak
evil twintwin towntwin studiestwin pregnancy

Grammar

Valency Patterns

be twins with [someone]twin [something] with [something] (verb)the twin of [something]

Vocabulary

Synonyms

Strong

lookalikeclonecounterpartdoppelgänger

Neutral

pairduodouble

Weak

matchfellowpartner

Vocabulary

Antonyms

singleonly childsingletonunique

Phrases

Idioms & Phrases

  • twin peaks
  • twin souls
  • twin towns
  • evil twin

Usage

Context Usage

Business

'The company is twinned with a French firm for the joint venture.'

Academic

'The study compared cognitive development in monozygotic twins.'

Everyday

'My sister and I are twins.'

Technical

'The aircraft features a twin-turboprop engine configuration.'

Examples

By Part of Speech

verb

British English

  • Oxford is twinned with Bonn.
  • The new policy twins economic growth with social responsibility.

American English

  • Our city is twinned with a municipality in Japan.
  • The program twins students with mentors.

adverb

British English

  • No standard adverbial use.

American English

  • No standard adverbial use.

adjective

British English

  • They booked a twin room at the hotel.
  • The twin-engined aircraft performed well.

American English

  • She slept in a twin bed.
  • The proposal has twin objectives: efficiency and fairness.

Examples

By CEFR Level

A2
  • Sarah and Emma are twins.
  • We have twin beds in our room.
B1
  • He is my twin brother.
  • The twin engines make the plane very powerful.
B2
  • The artist created a series of twin sculptures that mirror each other.
  • As a verb, 'to twin' cities promotes cultural exchange.
C1
  • The documentary explored the complex dynamic between the identical twins, separated at birth.
  • The theory posits a twin imperative: economic development must be twinned with ecological preservation.

Learning

Memory Aids

Mnemonic

Think of 'TWIN' as 'TWO-IN-ONE' – two individuals born in one birth.

Conceptual Metaphor

CLOSENESS IS TWINNING (e.g., 'twin causes', 'twin ideals').

Watch out

Common Pitfalls

Translation Traps (for Russian speakers)

  • Avoid using 'близнецы' for non-human pairs unless metaphorically. The verb 'to twin' (города-побратимы) is less common in Russian.
  • Do not confuse 'twin bed' (односпальная кровать) with 'double bed' (двуспальная).

Common Mistakes

  • Using 'twins' as singular ('He is a twins' – incorrect). Correct: 'He is a twin.'
  • Confusing 'twin' with 'double' (a twin room has two single beds; a double room has one large bed).

Practice

Quiz

Fill in the gap
My sister and I are not just siblings; we are , born just minutes apart.
Multiple Choice

What does 'twin' typically NOT refer to?

FAQ

Frequently Asked Questions

Yes, it is commonly used for closely paired or identical objects (twin towers, twin engines).

Identical twins come from one fertilized egg and share the same DNA. Fraternal twins come from two separate eggs and are genetically like regular siblings.

Yes, it means to pair or link two things closely, often used for cities that have a formal partnership (sister cities).

A room with two separate single beds.

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