thirteenth chord: meaning, definition, pronunciation and examples

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UK/ˌθɜːˈtiːnθ kɔːd/US/ˌθɝˈtinθ kɔːrd/

Technical/Musical

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Quick answer

What does “thirteenth chord” mean?

A tertian chord containing seven notes: the root, third, fifth, seventh, ninth, eleventh, and thirteenth (the same pitch as the sixth scale degree, but an octave higher).

Audio

Pronunciation

Definition

Meaning and Definition

A tertian chord containing seven notes: the root, third, fifth, seventh, ninth, eleventh, and thirteenth (the same pitch as the sixth scale degree, but an octave higher).

In jazz and contemporary harmony, a chord implying a rich, complex sound, often voiced with specific omissions (like the fifth, ninth, or eleventh) to create a characteristic 'jazz' texture. It commonly functions as a dominant chord (e.g., a dominant thirteenth).

Dialectal Variation

British vs American Usage

Differences

No significant differences in meaning or usage. The spelling 'chord' is universal.

Connotations

Identical technical connotations in both varieties.

Frequency

Equally rare and specialized in both dialects, confined to musical discourse.

Grammar

How to Use “thirteenth chord” in a Sentence

The [piece/solo] features a dominant thirteenth chord.He voiced the thirteenth chord by omitting the fifth and ninth.A thirteenth chord is built by stacking thirds.

Vocabulary

Collocations

strong
dominant thirteenth chordmajor thirteenth chordminor thirteenth chordflat thirteenth chordvoicing a thirteenth chord
medium
jazz thirteenth chordplay a thirteenthresolve the thirteenthpiano thirteenth chord
weak
beautiful thirteenth chordcomplex chordsounds like a thirteenth

Examples

Examples of “thirteenth chord” in a Sentence

verb

British English

  • The arrangement was altered to thirteenth the final cadence.
  • He loves to thirteenth his progressions for colour.

American English

  • She decided to thirteenth the bridge section for a jazzier feel.
  • The composer thirteenths his harmonies characteristically.

adverb

British English

  • The harmony moved thirteenthly through the changes. (Highly marked/rare)
  • It was interpreted quite thirteenthly.

American English

  • The piece resolves thirteenthly, which is unexpected. (Highly marked/rare)
  • He played the passage thirteenthly.

adjective

British English

  • The thirteenth-chord voicing is crucial to the piece's aesthetic.
  • It had a distinctly thirteenth quality.

American English

  • That's a classic thirteenth-chord sound.
  • He wrote a thirteenth-chord progression for the intro.

Usage

Meaning in Context

Business

Not used.

Academic

Used in musicology papers and advanced music theory texts.

Everyday

Virtually never used in everyday conversation.

Technical

The primary context. Used in sheet music, chord charts, musical analysis, and instruction.

Vocabulary

Synonyms of “thirteenth chord”

Strong

dominant thirteenth

Neutral

extended chordjazz chord

Weak

complex harmonyfull chord

Vocabulary

Antonyms of “thirteenth chord”

triadsimple chordbasic harmonypower chord

Watch out

Common Mistakes When Using “thirteenth chord”

  • Pronouncing 'thirteenth' as 'thirty-nth' or 'thir-teen-th'.
  • Confusing it with a '6th chord' (which lacks the 7th, 9th, and 11th).
  • Assuming it must contain all seven notes in practice (voicings often omit notes).

FAQ

Frequently Asked Questions

No. In practice, especially on instruments with limited polyphony like guitar or piano, notes like the fifth, ninth, and eleventh are commonly omitted. The essential defining tones are the root, third, seventh, and thirteenth.

A 6th chord (e.g., C6) contains the root, third, fifth, and sixth. A 13th chord implies the presence of a seventh (and often extensions like the ninth and eleventh), making it a more complex, dominant-functioning harmony. The 13th is the same pitch class as the 6th, but an octave higher in the chord structure.

It is very rare in mainstream pop. Pop music generally uses simpler triads and seventh chords. The term is most at home in jazz, fusion, advanced R&B, and some theatrical or film music.

Yes. A minor thirteenth chord (e.g., Cm13) contains a minor third, a minor seventh, and a thirteenth (which is a major 13th above the root in a minor key context). The extensions (9th, 11th) can be altered as well.

A tertian chord containing seven notes: the root, third, fifth, seventh, ninth, eleventh, and thirteenth (the same pitch as the sixth scale degree, but an octave higher).

Thirteenth chord is usually technical/musical in register.

Thirteenth chord: in British English it is pronounced /ˌθɜːˈtiːnθ kɔːd/, and in American English it is pronounced /ˌθɝˈtinθ kɔːrd/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • To throw in a thirteenth (informal, among musicians)

Learning

Memory Aids

Mnemonic

Think of climbing 13 steps on a musical staircase: Root (1), 3rd, 5th, 7th, 9th, 11th, 13th. It's the chord that uses almost every other note in the scale.

Conceptual Metaphor

HARMONY IS A BUILDING/STACK (stacking thirds); COMPLEXITY IS FULLNESS (a 'full' or 'complete' sound).

Practice

Quiz

Fill in the gap
In a jazz blues, a V7 chord is often substituted with a more colourful dominant chord.
Multiple Choice

What is the most essential interval, besides the root, that defines a dominant thirteenth chord?