"efeito Doppler" meaning in Portuguese

{
  "forms": [
    {
      "form": "efeitos Doppler",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "-",
        "pl2": "efeitos Doppler"
      },
      "expansion": "efeito Doppler m (usually uncountable, plural efeitos Doppler)",
      "name": "pt-noun"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Portuguese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "pt",
          "name": "Physics",
          "orig": "pt:Physics",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Doppler effect (change in frequency or wavelength of a wave due to relative motion of the observer)"
      ],
      "id": "en-efeito_Doppler-pt-noun-DLZLc0ae",
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "Doppler effect",
          "Doppler effect"
        ]
      ],
      "raw_glosses": [
        "(physics) Doppler effect (change in frequency or wavelength of a wave due to relative motion of the observer)"
      ],
      "tags": [
        "masculine",
        "uncountable",
        "usually"
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "word": "efeito Doppler"
}

{
  "forms": [
    {
      "form": "efeitos Doppler",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "-",
        "pl2": "efeitos Doppler"
      },
      "expansion": "efeito Doppler m (usually uncountable, plural efeitos Doppler)",
      "name": "pt-noun"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Portuguese countable nouns",
        "Portuguese entries with incorrect language header",
        "Portuguese lemmas",
        "Portuguese masculine nouns",
        "Portuguese multiword terms",
        "Portuguese nouns",
        "Portuguese uncountable nouns",
        "pt:Physics"
      ],
      "glosses": [
        "Doppler effect (change in frequency or wavelength of a wave due to relative motion of the observer)"
      ],
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "Doppler effect",
          "Doppler effect"
        ]
      ],
      "raw_glosses": [
        "(physics) Doppler effect (change in frequency or wavelength of a wave due to relative motion of the observer)"
      ],
      "tags": [
        "masculine",
        "uncountable",
        "usually"
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "word": "efeito Doppler"
}