mass divided by length

{
  "id": "NISTq176",
  "unitsml_id": "q:mass_divided_by_length",
  "name": "mass divided by length",
  "names": [
    {
      "value": "mass divided by length",
      "lang": "en"
    }
  ],
  "short": "mass_divided_by_length",
  "type": "derived",
  "dimension": {
    "id": "NISTd58",
    "name": "linear density",
    "expression": "L-1·M",
    "components": [
      {
        "key": "length",
        "symbol": "L",
        "power": -1
      },
      {
        "key": "mass",
        "symbol": "M",
        "power": 1
      }
    ],
    "dimensionless": false
  },
  "units": [
    {
      "id": "NISTu346",
      "name": "denier",
      "symbol": "den"
    }
  ],
  "unit_count": 1,
  "identifiers": [
    {
      "type": "nist",
      "id": "NISTq176"
    },
    {
      "type": "unitsml",
      "id": "q:mass_divided_by_length"
    }
  ],
  "references": [
    {
      "type": "informative",
      "authority": "qudt",
      "uri": "http://qudt.org/vocab/quantitykind/LineicMass"
    }
  ]
}