"Doppler shift" meaning in All languages combined

{
  "forms": [
    {
      "form": "Doppler shifts",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Doppler shift (plural Doppler shifts)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Astronomy",
          "orig": "en:Astronomy",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Physics",
          "orig": "en:Physics",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "The Doppler effect."
      ],
      "id": "en-Doppler_shift-en-noun-HLIQcSl4",
      "links": [
        [
          "Doppler effect",
          "Doppler effect"
        ]
      ]
    }
  ],
  "word": "Doppler shift"
}

{
  "forms": [
    {
      "form": "Doppler shifts",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Doppler shift (plural Doppler shifts)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Astronomy",
        "en:Physics"
      ],
      "glosses": [
        "The Doppler effect."
      ],
      "links": [
        [
          "Doppler effect",
          "Doppler effect"
        ]
      ]
    }
  ],
  "word": "Doppler shift"
}