"femtometer" meaning in Engels

{
  "categories": [
    {
      "kind": "other",
      "name": "Woorden in het Engels",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Woorden in het Engels van lengte 10",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Zelfstandig naamwoord in het Engels",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Engels",
  "lang_code": "en",
  "pos": "noun",
  "pos_title": "Zelfstandig naamwoord",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Eenheid_in_het_Engels",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Natuurkunde_in_het_Engels",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Wiskunde_in_het_Engels",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "femtometer"
      ],
      "id": "nl-femtometer-en-noun-eaOTAOX9",
      "topics": [
        "mathematics",
        "physics",
        "units-of-measure"
      ]
    }
  ],
  "word": "femtometer"
}

{
  "categories": [
    "Woorden in het Engels",
    "Woorden in het Engels van lengte 10",
    "Zelfstandig naamwoord in het Engels"
  ],
  "lang": "Engels",
  "lang_code": "en",
  "pos": "noun",
  "pos_title": "Zelfstandig naamwoord",
  "senses": [
    {
      "categories": [
        "Eenheid_in_het_Engels",
        "Natuurkunde_in_het_Engels",
        "Wiskunde_in_het_Engels"
      ],
      "glosses": [
        "femtometer"
      ],
      "topics": [
        "mathematics",
        "physics",
        "units-of-measure"
      ]
    }
  ],
  "word": "femtometer"
}