"summer melt" meaning in English

{
  "head_templates": [
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      "expansion": "summer melt (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "name": "English entries with incorrect language header",
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          "source": "w"
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          "langcode": "en",
          "name": "Education",
          "orig": "en:Education",
          "parents": [
            "Society",
            "All topics",
            "Fundamental"
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          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Summer melt sometimes happens when students are admitted over the summer to a school that places the student on a waitlist in the spring."
        }
      ],
      "glosses": [
        "The phenomenon where incoming students who have committed to attend a college or university change their minds during the summer and opt to attend another institution."
      ],
      "id": "en-summer_melt-en-noun-tRxUod3D",
      "links": [
        [
          "education",
          "education"
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        [
          "phenomenon",
          "phenomenon"
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        [
          "incoming",
          "incoming"
        ],
        [
          "student",
          "student"
        ],
        [
          "commit",
          "commit"
        ],
        [
          "attend",
          "attend"
        ],
        [
          "college",
          "college"
        ],
        [
          "university",
          "university"
        ]
      ],
      "raw_glosses": [
        "(education) The phenomenon where incoming students who have committed to attend a college or university change their minds during the summer and opt to attend another institution."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "education"
      ]
    }
  ],
  "word": "summer melt"
}

{
  "head_templates": [
    {
      "args": {
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      },
      "expansion": "summer melt (uncountable)",
      "name": "en-noun"
    }
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
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      "examples": [
        {
          "text": "Summer melt sometimes happens when students are admitted over the summer to a school that places the student on a waitlist in the spring."
        }
      ],
      "glosses": [
        "The phenomenon where incoming students who have committed to attend a college or university change their minds during the summer and opt to attend another institution."
      ],
      "links": [
        [
          "education",
          "education"
        ],
        [
          "phenomenon",
          "phenomenon"
        ],
        [
          "incoming",
          "incoming"
        ],
        [
          "student",
          "student"
        ],
        [
          "commit",
          "commit"
        ],
        [
          "attend",
          "attend"
        ],
        [
          "college",
          "college"
        ],
        [
          "university",
          "university"
        ]
      ],
      "raw_glosses": [
        "(education) The phenomenon where incoming students who have committed to attend a college or university change their minds during the summer and opt to attend another institution."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "education"
      ]
    }
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  "word": "summer melt"
}