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triplex

C2
UK/ˈtrɪplɛks/US/ˈtrɪplɛks/

formal/technical

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Definition

Meaning

Consisting of three parts or layers; triple.

Used to describe something with three-fold structure or composition, particularly in technical/architectural contexts. In cinema, refers to a three-projector system. In North America, often means a three-unit apartment building.

Linguistics

Semantic Notes

Primarily used as adjective; noun use is domain-specific (architecture/cinema).

Dialectal Variation

British vs American Usage

Differences

UK: Primarily technical/adjective. US: More commonly used as noun for apartment building.

Connotations

UK: Technical precision. US: Real estate/urban housing.

Frequency

Low frequency in both, but more prevalent in US real estate listings.

Vocabulary

Collocations

strong
triplex apartmenttriplex systemtriplex glass
medium
triplex constructiontriplex buildingtriplex design
weak
triplex arrangementtriplex configurationtriplex structure

Grammar

Valency Patterns

[adj] triplex [noun][noun] of triplex construction

Vocabulary

Synonyms

Strong

tripartitetrilaminar

Neutral

threefoldtriplethree-layer

Weak

triadicthree-ply

Vocabulary

Antonyms

simplexsingleunitary

Phrases

Idioms & Phrases

  • “None established”

Usage

Context Usage

Business

Rare; might appear in property development contexts.

Academic

Technical papers describing composite materials or architectural design.

Everyday

Very rare except in specific real estate contexts (North America).

Technical

Glass manufacturing (triplex glass = laminated safety glass), cinema projection systems, architecture.

Examples

By Part of Speech

verb

British English

  • Not used as verb.

American English

  • Not used as verb.

adverb

British English

  • Not used as adverb.

American English

  • Not used as adverb.

adjective

British English

  • The laboratory window was made of triplex safety glass.
  • The triplex pumping system provided redundant backup.

American English

  • They installed triplex windows for better insulation.
  • The document was protected by a triplex security protocol.

Examples

By CEFR Level

B2
  • The architect proposed a triplex design for the new community centre.
  • Triplex glass is often used in car windshields.
C1
  • The researcher examined the stress distribution in the triplex composite material.
  • He invested in a converted triplex in the rapidly gentrifying neighbourhood.

Learning

Memory Aids

Mnemonic

TRIPLEX = TRIPLE + EXtra layer/structure (the 'ex' suggests something beyond simple triple).

Conceptual Metaphor

THREE IS STRONG/SAFE (as in triplex safety glass).

Watch out

Common Pitfalls

Translation Traps (for Russian speakers)

  • False friend with 'триплекс' (which also means laminated glass) – a rare case of direct borrowing, but usage domains differ.

Common Mistakes

  • Using as a general synonym for 'three' without the layered/composite connotation.
  • Confusing noun and adjective uses across dialects.

Practice

Quiz

Fill in the gap
For ultimate safety, the jeweller's display case was made of glass, which would hold together even if shattered.
Multiple Choice

In which context is 'triplex' MOST likely to be used as a noun in American English?

FAQ

Frequently Asked Questions

No, it's a low-frequency, specialized term mostly used in technical, architectural, or specific real estate contexts.

No, it specifically implies a composite or layered structure of three parts, not just any group of three.

'Triple' means three times as many/much. 'Triplex' emphasises a three-part, often integrated or layered, structure.

Yes, historically it referred to a cinema with three projectors for continuous showing. Now it's often just a brand name.