"eikonal" meaning in All languages combined

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "grc",
        "3": "εἰκών",
        "4": "",
        "5": "image"
      },
      "expansion": "Ancient Greek εἰκών (eikṓn, “image”)",
      "name": "uder"
    }
  ],
  "etymology_text": "Ancient Greek εἰκών (eikṓn, “image”).",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "eikonal (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
        },
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          "kind": "other",
          "name": "English undefined derivations",
          "parents": [
            "Undefined derivations",
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "Mandarin terms with redundant transliterations",
          "parents": [
            "Terms with redundant transliterations",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Italian translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Mandarin translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Spanish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Mathematics",
          "orig": "en:Mathematics",
          "parents": [
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Physics",
          "orig": "en:Physics",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "eikonal approximation"
        },
        {
          "word": "eikonal equation"
        }
      ],
      "glosses": [
        "Describing the properties of a class of partial differential equation encountered in descriptions of wave propagation."
      ],
      "id": "en-eikonal-en-adj-spphUjKE",
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "mathematics",
          "mathematics"
        ],
        [
          "partial differential equation",
          "partial differential equation"
        ],
        [
          "wave",
          "wave"
        ],
        [
          "propagation",
          "propagation"
        ]
      ],
      "raw_glosses": [
        "(physics, mathematics) Describing the properties of a class of partial differential equation encountered in descriptions of wave propagation."
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "physics",
        "sciences"
      ],
      "translations": [
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "chénghán",
          "sense": "physics and maths term",
          "word": "程函"
        },
        {
          "code": "it",
          "lang": "Italian",
          "sense": "physics and maths term",
          "word": "eikonale"
        },
        {
          "code": "es",
          "lang": "Spanish",
          "sense": "physics and maths term",
          "tags": [
            "feminine",
            "masculine"
          ],
          "word": "iconal"
        }
      ]
    }
  ],
  "word": "eikonal"
}

{
  "derived": [
    {
      "word": "eikonal approximation"
    },
    {
      "word": "eikonal equation"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "grc",
        "3": "εἰκών",
        "4": "",
        "5": "image"
      },
      "expansion": "Ancient Greek εἰκών (eikṓn, “image”)",
      "name": "uder"
    }
  ],
  "etymology_text": "Ancient Greek εἰκών (eikṓn, “image”).",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "eikonal (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
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        "Mandarin terms with redundant transliterations",
        "Terms with Italian translations",
        "Terms with Mandarin translations",
        "Terms with Spanish translations",
        "en:Mathematics",
        "en:Physics"
      ],
      "glosses": [
        "Describing the properties of a class of partial differential equation encountered in descriptions of wave propagation."
      ],
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "mathematics",
          "mathematics"
        ],
        [
          "partial differential equation",
          "partial differential equation"
        ],
        [
          "wave",
          "wave"
        ],
        [
          "propagation",
          "propagation"
        ]
      ],
      "raw_glosses": [
        "(physics, mathematics) Describing the properties of a class of partial differential equation encountered in descriptions of wave propagation."
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "physics",
        "sciences"
      ]
    }
  ],
  "translations": [
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "chénghán",
      "sense": "physics and maths term",
      "word": "程函"
    },
    {
      "code": "it",
      "lang": "Italian",
      "sense": "physics and maths term",
      "word": "eikonale"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "physics and maths term",
      "tags": [
        "feminine",
        "masculine"
      ],
      "word": "iconal"
    }
  ],
  "word": "eikonal"
}