"double articulation" meaning in English

{
  "etymology_text": "The concept was introduced in 1960 by the French linguist André Martinet.",
  "head_templates": [
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      "args": {
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      },
      "expansion": "double articulation (uncountable)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "langcode": "en",
          "name": "Linguistics",
          "orig": "en:Linguistics",
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            "Language",
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        }
      ],
      "glosses": [
        "property of speech which allows creation of potentially infinite number of meaningful language sequences out of a limited number of meaningless elements called phonemes"
      ],
      "id": "en-double_articulation-en-noun-z-fnJrX2",
      "links": [
        [
          "linguistics",
          "linguistics"
        ],
        [
          "phonemes",
          "phoneme"
        ]
      ],
      "raw_glosses": [
        "(linguistics) property of speech which allows creation of potentially infinite number of meaningful language sequences out of a limited number of meaningless elements called phonemes"
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "human-sciences",
        "linguistics",
        "sciences"
      ],
      "translations": [
        {
          "code": "ca",
          "lang": "Catalan",
          "sense": "property of speech",
          "word": "doble articulació"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "property of speech",
          "word": "kaksoisjäsennys"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "property of speech",
          "word": "double articulation"
        },
        {
          "code": "pl",
          "lang": "Polish",
          "sense": "property of speech",
          "tags": [
            "feminine"
          ],
          "word": "podwójna artykulacja"
        },
        {
          "code": "es",
          "lang": "Spanish",
          "sense": "property of speech",
          "word": "doble articulación"
        }
      ],
      "wikipedia": [
        "André Martinet",
        "double articulation"
      ]
    }
  ],
  "sounds": [
    {
      "rhymes": "-eɪʃən"
    }
  ],
  "word": "double articulation"
}

{
  "etymology_text": "The concept was introduced in 1960 by the French linguist André Martinet.",
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        "1": "-"
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      "expansion": "double articulation (uncountable)",
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  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "property of speech which allows creation of potentially infinite number of meaningful language sequences out of a limited number of meaningless elements called phonemes"
      ],
      "links": [
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          "linguistics",
          "linguistics"
        ],
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          "phoneme"
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      "raw_glosses": [
        "(linguistics) property of speech which allows creation of potentially infinite number of meaningful language sequences out of a limited number of meaningless elements called phonemes"
      ],
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        "uncountable"
      ],
      "topics": [
        "human-sciences",
        "linguistics",
        "sciences"
      ],
      "wikipedia": [
        "André Martinet",
        "double articulation"
      ]
    }
  ],
  "sounds": [
    {
      "rhymes": "-eɪʃən"
    }
  ],
  "translations": [
    {
      "code": "ca",
      "lang": "Catalan",
      "sense": "property of speech",
      "word": "doble articulació"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "property of speech",
      "word": "kaksoisjäsennys"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "property of speech",
      "word": "double articulation"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "property of speech",
      "tags": [
        "feminine"
      ],
      "word": "podwójna artykulacja"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "property of speech",
      "word": "doble articulación"
    }
  ],
  "word": "double articulation"
}