"дельта" meaning in Russe

{
  "categories": [
    {
      "kind": "other",
      "name": "Lemmes en russe",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots en russe issus d’un mot en grec ancien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en russe",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms des lettres grecques en russe",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Russe",
      "orig": "russe",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "word": "дельтовый"
    }
  ],
  "etymology_texts": [
    "Du grec ancien δέλτα, délta."
  ],
  "lang": "Russe",
  "lang_code": "ru",
  "pos": "noun",
  "pos_title": "Nom commun",
  "raw_tags": [
    "deľta"
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en russe",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Exemples en russe à traduire",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "альфа, вита, гамма, дельта и т. д."
        }
      ],
      "glosses": [
        "Delta, lettre grecque ancêtre du Д russe."
      ],
      "id": "fr-дельта-ru-noun-U4GWrsVX"
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en russe",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Lexique en russe de la géographie",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "… в дельте Северной Двины.",
          "translation": "… dans le delta nord de la Dvina."
        }
      ],
      "glosses": [
        "Delta."
      ],
      "id": "fr-дельта-ru-noun-FjNBwG21",
      "topics": [
        "geography"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en russe",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Lexique en russe des mathématiques",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "… если измерять расстояние дельта x, которое частица пройдёт за время дельта t…",
          "translation": "… si vous mesurez la distance delta x que la particule parcourra pendant le temps delta t…"
        }
      ],
      "glosses": [
        "Delta, différence."
      ],
      "id": "fr-дельта-ru-noun-pMFxqajm",
      "topics": [
        "mathematics"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\dɛlʲtə\\"
    }
  ],
  "synonyms": [
    {
      "translation": "différence",
      "word": "разность"
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "дельта"
}

{
  "categories": [
    "Lemmes en russe",
    "Mots en russe issus d’un mot en grec ancien",
    "Noms communs en russe",
    "Noms des lettres grecques en russe",
    "russe"
  ],
  "derived": [
    {
      "word": "дельтовый"
    }
  ],
  "etymology_texts": [
    "Du grec ancien δέλτα, délta."
  ],
  "lang": "Russe",
  "lang_code": "ru",
  "pos": "noun",
  "pos_title": "Nom commun",
  "raw_tags": [
    "deľta"
  ],
  "senses": [
    {
      "categories": [
        "Exemples en russe",
        "Exemples en russe à traduire"
      ],
      "examples": [
        {
          "text": "альфа, вита, гамма, дельта и т. д."
        }
      ],
      "glosses": [
        "Delta, lettre grecque ancêtre du Д russe."
      ]
    },
    {
      "categories": [
        "Exemples en russe",
        "Lexique en russe de la géographie"
      ],
      "examples": [
        {
          "text": "… в дельте Северной Двины.",
          "translation": "… dans le delta nord de la Dvina."
        }
      ],
      "glosses": [
        "Delta."
      ],
      "topics": [
        "geography"
      ]
    },
    {
      "categories": [
        "Exemples en russe",
        "Lexique en russe des mathématiques"
      ],
      "examples": [
        {
          "text": "… если измерять расстояние дельта x, которое частица пройдёт за время дельта t…",
          "translation": "… si vous mesurez la distance delta x que la particule parcourra pendant le temps delta t…"
        }
      ],
      "glosses": [
        "Delta, différence."
      ],
      "topics": [
        "mathematics"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\dɛlʲtə\\"
    }
  ],
  "synonyms": [
    {
      "translation": "différence",
      "word": "разность"
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "дельта"
}