"eau stygienne" meaning in All languages combined

{
  "categories": [
    {
      "kind": "other",
      "name": "Locutions nominales en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Français",
      "orig": "français",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Semblables à celles du Styx, ces eaux rongent les métaux."
  ],
  "lang": "Français",
  "lang_code": "fr",
  "notes": [
    "Le singulier est rare."
  ],
  "pos": "noun",
  "pos_title": "Locution nominale",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en français de la chimie",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Termes désuets en français",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Eau-forte."
      ],
      "id": "fr-eau_stygienne-fr-noun-RNsWQCWA",
      "tags": [
        "obsolete"
      ],
      "topics": [
        "chemistry"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\o sti.ʒjɛn\\"
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "eau stygienne"
}

{
  "categories": [
    "Locutions nominales en français",
    "français"
  ],
  "etymology_texts": [
    "Semblables à celles du Styx, ces eaux rongent les métaux."
  ],
  "lang": "Français",
  "lang_code": "fr",
  "notes": [
    "Le singulier est rare."
  ],
  "pos": "noun",
  "pos_title": "Locution nominale",
  "senses": [
    {
      "categories": [
        "Lexique en français de la chimie",
        "Termes désuets en français"
      ],
      "glosses": [
        "Eau-forte."
      ],
      "tags": [
        "obsolete"
      ],
      "topics": [
        "chemistry"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\o sti.ʒjɛn\\"
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "eau stygienne"
}