"minifilter" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "mini",
        "3": "filter"
      },
      "expansion": "mini- + filter",
      "name": "prefix"
    }
  ],
  "etymology_text": "From mini- + filter.",
  "forms": [
    {
      "form": "minifilters",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "minifilter (plural minifilters)",
      "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": "English terms prefixed with mini-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A device for filtering very small samples in a laboratory."
      ],
      "id": "en-minifilter-en-noun-JCrZHxYF",
      "links": [
        [
          "device",
          "device"
        ],
        [
          "filter",
          "filter"
        ],
        [
          "sample",
          "sample"
        ],
        [
          "laboratory",
          "laboratory"
        ]
      ]
    }
  ],
  "word": "minifilter"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "mini",
        "3": "filter"
      },
      "expansion": "mini- + filter",
      "name": "prefix"
    }
  ],
  "etymology_text": "From mini- + filter.",
  "forms": [
    {
      "form": "minifilters",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "minifilter (plural minifilters)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms prefixed with mini-",
        "Pages with 1 entry"
      ],
      "glosses": [
        "A device for filtering very small samples in a laboratory."
      ],
      "links": [
        [
          "device",
          "device"
        ],
        [
          "filter",
          "filter"
        ],
        [
          "sample",
          "sample"
        ],
        [
          "laboratory",
          "laboratory"
        ]
      ]
    }
  ],
  "word": "minifilter"
}