"R99" meaning in Translingual

{
  "etymology_templates": [
    {
      "args": {
        "1": "mul",
        "2": "en",
        "3": "R99"
      },
      "expansion": "English R99",
      "name": "bor"
    }
  ],
  "etymology_text": "English R99",
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "noun"
      },
      "expansion": "R99",
      "name": "head"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "26 26 34 15",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "73 27",
          "kind": "other",
          "name": "Translingual entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A filtration type that efficiently filters out 99% of airborne particulates of 0.3 microns (“μm”) (and all larger particles) and is somewhat resistant to oil."
      ],
      "id": "en-R99-mul-noun-3zNRTtNU",
      "links": [
        [
          "filtration",
          "filtration#English"
        ],
        [
          "particulates",
          "particulate#English"
        ],
        [
          "microns",
          "micron#English"
        ]
      ]
    },
    {
      "coordinate_terms": [
        {
          "_dis1": "0 100",
          "word": "P1"
        },
        {
          "_dis1": "0 100",
          "word": "P2"
        },
        {
          "_dis1": "0 100",
          "word": "P3"
        },
        {
          "_dis1": "0 100",
          "word": "FFP1"
        },
        {
          "_dis1": "0 100",
          "word": "FFP2"
        },
        {
          "_dis1": "0 100",
          "word": "FFP3"
        }
      ],
      "glosses": [
        "A filter implementing the R99 standard."
      ],
      "id": "en-R99-mul-noun-t~0LqJ8I",
      "links": [
        [
          "filter",
          "filter#English"
        ]
      ],
      "related": [
        {
          "_dis1": "0 100",
          "word": "R95"
        },
        {
          "_dis1": "0 100",
          "word": "P95"
        },
        {
          "_dis1": "0 100",
          "word": "N95"
        },
        {
          "_dis1": "0 100",
          "word": "P99"
        },
        {
          "_dis1": "0 100",
          "word": "N99"
        },
        {
          "_dis1": "0 100",
          "word": "R100"
        },
        {
          "_dis1": "0 100",
          "word": "P100"
        },
        {
          "_dis1": "0 100",
          "word": "N100"
        }
      ]
    }
  ],
  "word": "R99"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English initialisms",
    "English lemmas",
    "English nouns",
    "English terms spelled with numbers",
    "English uncountable nouns",
    "English words without vowels",
    "Translingual entries with incorrect language header",
    "Translingual lemmas",
    "Translingual nouns",
    "Translingual terms borrowed from English",
    "Translingual terms derived from English",
    "Translingual terms spelled with numbers"
  ],
  "coordinate_terms": [
    {
      "word": "P1"
    },
    {
      "word": "P2"
    },
    {
      "word": "P3"
    },
    {
      "word": "FFP1"
    },
    {
      "word": "FFP2"
    },
    {
      "word": "FFP3"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "mul",
        "2": "en",
        "3": "R99"
      },
      "expansion": "English R99",
      "name": "bor"
    }
  ],
  "etymology_text": "English R99",
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "noun"
      },
      "expansion": "R99",
      "name": "head"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "noun",
  "related": [
    {
      "word": "R95"
    },
    {
      "word": "P95"
    },
    {
      "word": "N95"
    },
    {
      "word": "P99"
    },
    {
      "word": "N99"
    },
    {
      "word": "R100"
    },
    {
      "word": "P100"
    },
    {
      "word": "N100"
    }
  ],
  "senses": [
    {
      "glosses": [
        "A filtration type that efficiently filters out 99% of airborne particulates of 0.3 microns (“μm”) (and all larger particles) and is somewhat resistant to oil."
      ],
      "links": [
        [
          "filtration",
          "filtration#English"
        ],
        [
          "particulates",
          "particulate#English"
        ],
        [
          "microns",
          "micron#English"
        ]
      ]
    },
    {
      "glosses": [
        "A filter implementing the R99 standard."
      ],
      "links": [
        [
          "filter",
          "filter#English"
        ]
      ]
    }
  ],
  "word": "R99"
}