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diminished fourth

musical interval produced by narrowing a perfect fourth by a chromatic semitone (e.g. from C♯ to F or from C to F♭); enharmonically equivalent to a major third
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diminished fourth

Summary

diminished fourth ranks in the top 2% of general entities by monthly Wikipedia readership (60 views/month).[1]

Key Facts

  • diminished fourth is a type of fourth[2].
  • diminished fourth's Commons category is recorded as Diminished fourths[3].
  • diminished fourth's said to be the same as is recorded as major third[4].
  • diminished fourth comprises semitone[5].
  • diminished fourth's short name is recorded as {'lang': 'fi', 'text': 'v4'}[6].
  • diminished fourth's short name is recorded as {'lang': 'en', 'text': 'd4'}[7].
  • diminished fourth's short name is recorded as {'lang': 'sv', 'text': 'F4'}[8].
  • diminished fourth's short name is recorded as {'lang': 'ru', 'text': 'ум.4'}[9].

Body

Definition and Type

diminished fourth is a type of fourth[2].

Use and Application

diminished fourth comprises semitone[5].

Why It Matters

diminished fourth ranks in the top 2% of general entities by monthly Wikipedia readership (60 views/month).[1]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.

Aggregate / graph-position facts

  1. [1] ↑ . Wikimedia Foundation. dumps.wikimedia.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). diminished fourth. Retrieved April 10, 2026, from https://4ort.xyz/entity/diminished-fourth
MLA “diminished fourth.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/diminished-fourth.
BibTeX @misc{4ortxyz_diminished-fourth_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{diminished fourth}}, year = {2026}, url = {https://4ort.xyz/entity/diminished-fourth}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): diminished fourth — https://4ort.xyz/entity/diminished-fourth (retrieved 2026-04-10)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 24d ago · Shocksingularity · 2026-07-27 view diff on Wikidata ↗
    Subclass of → fourth
    Audio → Major third on C.mid
    Said to be the same as → major third
    Has part(s) → semitone
    + 3 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ [[Property:P51]]: Major third on C.mid"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.