piano hinge: meaning, definition, pronunciation and examples

C2 / Very Low Frequency (specialist term)
UK/piˈænəʊ hɪndʒ/US/piˈænoʊ hɪndʒ/

Technical / Specialized (woodworking, carpentry, cabinetry, engineering)

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Quick answer

What does “piano hinge” mean?

A long, narrow hinge that runs the full length of two adjoining surfaces, typically made of two interlocking metal strips with a central pin.

Audio

Pronunciation

Definition

Meaning and Definition

A long, narrow hinge that runs the full length of two adjoining surfaces, typically made of two interlocking metal strips with a central pin.

May refer more generally to any very long, continuous hinge used for structural support and a seamless appearance.

Dialectal Variation

British vs American Usage

Differences

No significant difference in meaning or usage. The term is technical and used identically in both varieties.

Connotations

None beyond the technical specifications.

Frequency

Equally low-frequency and specialized in both regions.

Grammar

How to Use “piano hinge” in a Sentence

[surface] + is/was + hinged + with + a piano hingeUse/Install/Attach + a piano hinge + to + [surface]

Vocabulary

Collocations

strong
install a piano hingecontinuous piano hingefull-length piano hingebrass piano hingeconcealed piano hinge
medium
attach with a piano hingeheavy-duty piano hingepiano hinge for the boxpiano hinge screws
weak
long hingelid hingecabinet hinge

Usage

Meaning in Context

Business

Used in manufacturing, furniture sales, or hardware supply catalogs.

Academic

Appears in engineering, materials science, or design/architecture texts discussing joint mechanics.

Everyday

Rare. Used mainly by DIY enthusiasts, hobbyists, or carpenters.

Technical

Standard term in woodworking, cabinetry, instrument making, and some areas of aerospace or vehicle design for long, flush hinges.

Vocabulary

Synonyms of “piano hinge”

Strong

full-length hinge

Neutral

continuous hinge

Weak

long hingebutt hinge (specific type, not identical)

Vocabulary

Antonyms of “piano hinge”

butt hinge (if referring to short, discrete hinges)strap hingefixed joint

Watch out

Common Mistakes When Using “piano hinge”

  • Pronouncing 'piano' as /ˈpjɑːnəʊ/ (like the musical instrument's less common UK pronunciation) instead of /piˈænəʊ/. In this compound, it follows the common /piˈænəʊ/ pronunciation.
  • Using it to refer to any small hinge.
  • Misspelling as 'piano hing'.

FAQ

Frequently Asked Questions

Yes, 'continuous hinge' is a direct synonym for 'piano hinge'.

Yes, they are often sold in long strips and can be cut down to the required size with the appropriate tools.

It derives from its original and common use in attaching the lid to the body of an upright piano.

No, they are used for any application requiring a long, strong, and flush hinge, such as flight cases, instrument cases, folding partitions, or heavy doors.

A long, narrow hinge that runs the full length of two adjoining surfaces, typically made of two interlocking metal strips with a central pin.

Piano hinge is usually technical / specialized (woodworking, carpentry, cabinetry, engineering) in register.

Piano hinge: in British English it is pronounced /piˈænəʊ hɪndʒ/, and in American English it is pronounced /piˈænoʊ hɪndʒ/. Tap the audio buttons above to hear it.

Learning

Memory Aids

Mnemonic

Think of the long, seamless lid of a PIANO; it opens smoothly because of the PIANO HINGE running along its entire length.

Conceptual Metaphor

A LINE OF STRENGTH: The hinge is conceptualized as a continuous line providing uniform support and motion.

Practice

Quiz

Fill in the gap
To ensure the heavy lid doesn't sag, you should use a running along its entire back edge.
Multiple Choice

What is the primary advantage of a piano hinge over several smaller butt hinges?