"hoofdreeks" meaning in Dutch

{
  "derived": [
    {
      "_dis1": "0 0",
      "word": "hoofdreeksster"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "nl",
        "2": "hoofd",
        "3": "reeks"
      },
      "expansion": "hoofd + reeks",
      "name": "compound"
    }
  ],
  "etymology_text": "Compound of hoofd + reeks.",
  "forms": [
    {
      "form": "hoofdreeksen",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "-en",
        "3": "-"
      },
      "expansion": "hoofdreeks m (plural hoofdreeksen)",
      "name": "nl-noun"
    }
  ],
  "hyphenation": [
    "hoofd‧reeks"
  ],
  "lang": "Dutch",
  "lang_code": "nl",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "a main series, a main sequence"
      ],
      "id": "en-hoofdreeks-nl-noun-8-mm8fdb",
      "links": [
        [
          "main",
          "main"
        ],
        [
          "series",
          "series"
        ],
        [
          "sequence",
          "sequence"
        ]
      ],
      "tags": [
        "masculine"
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "nl",
          "name": "Astronomy",
          "orig": "nl:Astronomy",
          "parents": [
            "Sciences",
            "Space",
            "All topics",
            "Nature",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "22 78",
          "kind": "other",
          "name": "Dutch entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "17 83",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "9 91",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "the main sequence"
      ],
      "id": "en-hoofdreeks-nl-noun-P3wpHajX",
      "links": [
        [
          "astronomy",
          "astronomy"
        ],
        [
          "main sequence",
          "main sequence"
        ]
      ],
      "raw_glosses": [
        "(astronomy, uncountable) the main sequence"
      ],
      "tags": [
        "masculine",
        "uncountable"
      ],
      "topics": [
        "astronomy",
        "natural-sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈɦoːft.reːks/"
    },
    {
      "audio": "Nl-hoofdreeks.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/e/e4/Nl-hoofdreeks.ogg/Nl-hoofdreeks.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/e/e4/Nl-hoofdreeks.ogg"
    }
  ],
  "word": "hoofdreeks"
}

{
  "categories": [
    "Dutch compound terms",
    "Dutch entries with incorrect language header",
    "Dutch lemmas",
    "Dutch masculine nouns",
    "Dutch nouns",
    "Dutch nouns with plural in -en",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "derived": [
    {
      "word": "hoofdreeksster"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "nl",
        "2": "hoofd",
        "3": "reeks"
      },
      "expansion": "hoofd + reeks",
      "name": "compound"
    }
  ],
  "etymology_text": "Compound of hoofd + reeks.",
  "forms": [
    {
      "form": "hoofdreeksen",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "-en",
        "3": "-"
      },
      "expansion": "hoofdreeks m (plural hoofdreeksen)",
      "name": "nl-noun"
    }
  ],
  "hyphenation": [
    "hoofd‧reeks"
  ],
  "lang": "Dutch",
  "lang_code": "nl",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "a main series, a main sequence"
      ],
      "links": [
        [
          "main",
          "main"
        ],
        [
          "series",
          "series"
        ],
        [
          "sequence",
          "sequence"
        ]
      ],
      "tags": [
        "masculine"
      ]
    },
    {
      "categories": [
        "Dutch uncountable nouns",
        "nl:Astronomy"
      ],
      "glosses": [
        "the main sequence"
      ],
      "links": [
        [
          "astronomy",
          "astronomy"
        ],
        [
          "main sequence",
          "main sequence"
        ]
      ],
      "raw_glosses": [
        "(astronomy, uncountable) the main sequence"
      ],
      "tags": [
        "masculine",
        "uncountable"
      ],
      "topics": [
        "astronomy",
        "natural-sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈɦoːft.reːks/"
    },
    {
      "audio": "Nl-hoofdreeks.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/e/e4/Nl-hoofdreeks.ogg/Nl-hoofdreeks.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/e/e4/Nl-hoofdreeks.ogg"
    }
  ],
  "word": "hoofdreeks"
}