"mascon" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "mass",
        "3": "concentration"
      },
      "expansion": "Blend of mass + concentration",
      "name": "blend"
    }
  ],
  "etymology_text": "Blend of mass + concentration in 1960s by scientists Paul Muller and William Sjogren.",
  "forms": [
    {
      "form": "mascons",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "mascon (plural mascons)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "31 38 31",
          "kind": "other",
          "name": "English blends",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A region within a solid astronomical body that is of higher density than the surrounding material."
      ],
      "id": "en-mascon-en-noun-~EH96L04",
      "links": [
        [
          "density",
          "density"
        ]
      ]
    },
    {
      "categories": [
        {
          "_dis": "31 38 31",
          "kind": "other",
          "name": "English blends",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A lunar mare that has a greater density of rock than the surrounding area."
      ],
      "id": "en-mascon-en-noun-ntZdV~kX",
      "links": [
        [
          "lunar",
          "lunar"
        ],
        [
          "mare",
          "mare"
        ],
        [
          "density",
          "density"
        ],
        [
          "rock",
          "rock"
        ]
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "langcode": "en",
          "name": "Astronomy",
          "orig": "en:Astronomy",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "31 38 31",
          "kind": "other",
          "name": "English blends",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "19 23 58",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "11 11 79",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "8 8 84",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "mass concentration"
      ],
      "id": "en-mascon-en-noun-ZFdRZpO8",
      "links": [
        [
          "astronomy",
          "astronomy"
        ]
      ],
      "raw_glosses": [
        "(astronomy) mass concentration"
      ],
      "topics": [
        "astronomy",
        "natural-sciences"
      ]
    }
  ],
  "word": "mascon"
}

{
  "categories": [
    "English 2-syllable words",
    "English blends",
    "English compound terms",
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "mass",
        "3": "concentration"
      },
      "expansion": "Blend of mass + concentration",
      "name": "blend"
    }
  ],
  "etymology_text": "Blend of mass + concentration in 1960s by scientists Paul Muller and William Sjogren.",
  "forms": [
    {
      "form": "mascons",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "mascon (plural mascons)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "A region within a solid astronomical body that is of higher density than the surrounding material."
      ],
      "links": [
        [
          "density",
          "density"
        ]
      ]
    },
    {
      "glosses": [
        "A lunar mare that has a greater density of rock than the surrounding area."
      ],
      "links": [
        [
          "lunar",
          "lunar"
        ],
        [
          "mare",
          "mare"
        ],
        [
          "density",
          "density"
        ],
        [
          "rock",
          "rock"
        ]
      ]
    },
    {
      "categories": [
        "en:Astronomy"
      ],
      "glosses": [
        "mass concentration"
      ],
      "links": [
        [
          "astronomy",
          "astronomy"
        ]
      ],
      "raw_glosses": [
        "(astronomy) mass concentration"
      ],
      "topics": [
        "astronomy",
        "natural-sciences"
      ]
    }
  ],
  "word": "mascon"
}