"diminished octave" meaning in English

{
  "forms": [
    {
      "form": "diminished octaves",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "diminished octave (plural diminished octaves)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Music",
          "orig": "en:Music",
          "parents": [
            "Art",
            "Sound",
            "Culture",
            "Energy",
            "Society",
            "Nature",
            "All topics",
            "Fundamental"
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          "source": "w"
        }
      ],
      "glosses": [
        "A musical interval in Western music formed by narrowing an octave by a chromatic semitone. It is one chromatic semitone narrower than a perfect octave. In twelve-tone equal temperament, it consists of eleven semitones, spanning eight degrees of the diatonic scale, and is enharmonically equivalent to a major seventh."
      ],
      "id": "en-diminished_octave-en-noun-aWb5Whfq",
      "links": [
        [
          "music",
          "music"
        ],
        [
          "musical interval",
          "musical interval"
        ],
        [
          "Western",
          "Western"
        ],
        [
          "semitone",
          "semitone"
        ],
        [
          "perfect octave",
          "perfect octave"
        ],
        [
          "semitones",
          "semitone"
        ],
        [
          "diatonic scale",
          "diatonic scale"
        ],
        [
          "enharmonically",
          "enharmonically"
        ],
        [
          "major seventh",
          "major seventh"
        ]
      ],
      "raw_glosses": [
        "(music) A musical interval in Western music formed by narrowing an octave by a chromatic semitone. It is one chromatic semitone narrower than a perfect octave. In twelve-tone equal temperament, it consists of eleven semitones, spanning eight degrees of the diatonic scale, and is enharmonically equivalent to a major seventh."
      ],
      "topics": [
        "entertainment",
        "lifestyle",
        "music"
      ]
    }
  ],
  "word": "diminished octave"
}

{
  "forms": [
    {
      "form": "diminished octaves",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "diminished octave (plural diminished octaves)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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        "English entries with incorrect language header",
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      ],
      "glosses": [
        "A musical interval in Western music formed by narrowing an octave by a chromatic semitone. It is one chromatic semitone narrower than a perfect octave. In twelve-tone equal temperament, it consists of eleven semitones, spanning eight degrees of the diatonic scale, and is enharmonically equivalent to a major seventh."
      ],
      "links": [
        [
          "music",
          "music"
        ],
        [
          "musical interval",
          "musical interval"
        ],
        [
          "Western",
          "Western"
        ],
        [
          "semitone",
          "semitone"
        ],
        [
          "perfect octave",
          "perfect octave"
        ],
        [
          "semitones",
          "semitone"
        ],
        [
          "diatonic scale",
          "diatonic scale"
        ],
        [
          "enharmonically",
          "enharmonically"
        ],
        [
          "major seventh",
          "major seventh"
        ]
      ],
      "raw_glosses": [
        "(music) A musical interval in Western music formed by narrowing an octave by a chromatic semitone. It is one chromatic semitone narrower than a perfect octave. In twelve-tone equal temperament, it consists of eleven semitones, spanning eight degrees of the diatonic scale, and is enharmonically equivalent to a major seventh."
      ],
      "topics": [
        "entertainment",
        "lifestyle",
        "music"
      ]
    }
  ],
  "word": "diminished octave"
}