"Attolumen" meaning in Allemand

{
  "categories": [
    {
      "kind": "other",
      "name": "Dérivations en allemand",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Lemmes en allemand",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots en allemand préfixés avec atto-",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en allemand",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Unités de mesure en allemand",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Allemand",
      "orig": "allemand",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Dérivé de Lumen, avec le préfixe atto-."
  ],
  "lang": "Allemand",
  "lang_code": "de",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en allemand de la physique",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Termes extrêmement rares en allemand",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Attolumen (alm)."
      ],
      "id": "fr-Attolumen-de-noun-iwdxC08e",
      "raw_tags": [
        "Extrêmement rare"
      ],
      "tags": [
        "physical"
      ],
      "topics": [
        "metrology"
      ]
    }
  ],
  "tags": [
    "neuter"
  ],
  "word": "Attolumen"
}

{
  "categories": [
    "Dérivations en allemand",
    "Lemmes en allemand",
    "Mots en allemand préfixés avec atto-",
    "Noms communs en allemand",
    "Unités de mesure en allemand",
    "allemand"
  ],
  "etymology_texts": [
    "Dérivé de Lumen, avec le préfixe atto-."
  ],
  "lang": "Allemand",
  "lang_code": "de",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        "Lexique en allemand de la physique",
        "Termes extrêmement rares en allemand"
      ],
      "glosses": [
        "Attolumen (alm)."
      ],
      "raw_tags": [
        "Extrêmement rare"
      ],
      "tags": [
        "physical"
      ],
      "topics": [
        "metrology"
      ]
    }
  ],
  "tags": [
    "neuter"
  ],
  "word": "Attolumen"
}