"♭5" meaning in Conventions internationales

{
  "categories": [
    {
      "kind": "other",
      "name": "Compositions en conventions internationales",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Symboles en conventions internationales",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Symboles musicaux",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Conventions internationales",
      "orig": "conventions internationales",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "word": "m7♭5"
    }
  ],
  "etymology_texts": [
    "composé de ♭ (« abaissement d’un demi-ton ») et de 5 (« quinte »)."
  ],
  "lang": "Conventions internationales",
  "lang_code": "conv",
  "pos": "symbol",
  "pos_title": "Symbole",
  "related": [
    {
      "raw_tags": [
        "septième mineure"
      ],
      "word": "7"
    },
    {
      "raw_tags": [
        "augmenté"
      ],
      "word": "+"
    },
    {
      "raw_tags": [
        "demi-diminué"
      ],
      "word": "Ø"
    },
    {
      "raw_tags": [
        "diminué"
      ],
      "word": "ᵒ"
    },
    {
      "raw_tags": [
        "septième majeure"
      ],
      "word": "Δ"
    },
    {
      "raw_tags": [
        "quinte augmentée"
      ],
      "word": "♯5"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en conventions internationales du jazz",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "En chiffrage d’accord, désigne un accord dont la quinte est diminuée ; équivalent du « 5 » (cinq barré) en basse chiffrée."
      ],
      "id": "fr-♭5-conv-symbol-T-lkIllL",
      "raw_tags": [
        "Jazz"
      ]
    }
  ],
  "tags": [
    "invariable"
  ],
  "word": "♭5"
}

{
  "categories": [
    "Compositions en conventions internationales",
    "Symboles en conventions internationales",
    "Symboles musicaux",
    "conventions internationales"
  ],
  "derived": [
    {
      "word": "m7♭5"
    }
  ],
  "etymology_texts": [
    "composé de ♭ (« abaissement d’un demi-ton ») et de 5 (« quinte »)."
  ],
  "lang": "Conventions internationales",
  "lang_code": "conv",
  "pos": "symbol",
  "pos_title": "Symbole",
  "related": [
    {
      "raw_tags": [
        "septième mineure"
      ],
      "word": "7"
    },
    {
      "raw_tags": [
        "augmenté"
      ],
      "word": "+"
    },
    {
      "raw_tags": [
        "demi-diminué"
      ],
      "word": "Ø"
    },
    {
      "raw_tags": [
        "diminué"
      ],
      "word": "ᵒ"
    },
    {
      "raw_tags": [
        "septième majeure"
      ],
      "word": "Δ"
    },
    {
      "raw_tags": [
        "quinte augmentée"
      ],
      "word": "♯5"
    }
  ],
  "senses": [
    {
      "categories": [
        "Lexique en conventions internationales du jazz"
      ],
      "glosses": [
        "En chiffrage d’accord, désigne un accord dont la quinte est diminuée ; équivalent du « 5 » (cinq barré) en basse chiffrée."
      ],
      "raw_tags": [
        "Jazz"
      ]
    }
  ],
  "tags": [
    "invariable"
  ],
  "word": "♭5"
}