"upflux" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "up",
        "3": "flux"
      },
      "expansion": "up + flux",
      "name": "compound"
    }
  ],
  "etymology_text": "From up + flux",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "upflux (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "The ion upflux is a free parameter in our model.",
          "type": "example"
        }
      ],
      "glosses": [
        "an upward flux"
      ],
      "id": "en-upflux-en-noun-yx2C5xyZ",
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "upflux"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "up",
        "3": "flux"
      },
      "expansion": "up + flux",
      "name": "compound"
    }
  ],
  "etymology_text": "From up + flux",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "upflux (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English compound terms",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms with usage examples",
        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "text": "The ion upflux is a free parameter in our model.",
          "type": "example"
        }
      ],
      "glosses": [
        "an upward flux"
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "upflux"
}