"Fournier point" meaning in English

{
  "etymology_text": "Established by Pierre Simon Fournier.",
  "forms": [
    {
      "form": "Fournier points",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Fournier point (plural Fournier points)",
      "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 entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Typography",
          "orig": "en:Typography",
          "parents": [
            "Printing",
            "Writing",
            "Industries",
            "Human behaviour",
            "Language",
            "Business",
            "Human",
            "Communication",
            "Economics",
            "Society",
            "All topics",
            "Social sciences",
            "Fundamental",
            "Sciences"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A former point size of about 11/864 French inches or (by 1799) 345 µm."
      ],
      "id": "en-Fournier_point-en-noun-OK1HSVrJ",
      "links": [
        [
          "typography",
          "typography"
        ],
        [
          "point",
          "point"
        ],
        [
          "French inch",
          "French inch"
        ],
        [
          "µm",
          "µm"
        ]
      ],
      "raw_glosses": [
        "(typography, historical) A former point size of about 11/864 French inches or (by 1799) 345 µm."
      ],
      "tags": [
        "historical"
      ],
      "topics": [
        "media",
        "publishing",
        "typography"
      ]
    }
  ],
  "word": "Fournier point"
}

{
  "etymology_text": "Established by Pierre Simon Fournier.",
  "forms": [
    {
      "form": "Fournier points",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Fournier point (plural Fournier points)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with historical senses",
        "English terms with non-redundant non-automated sortkeys",
        "en:Typography"
      ],
      "glosses": [
        "A former point size of about 11/864 French inches or (by 1799) 345 µm."
      ],
      "links": [
        [
          "typography",
          "typography"
        ],
        [
          "point",
          "point"
        ],
        [
          "French inch",
          "French inch"
        ],
        [
          "µm",
          "µm"
        ]
      ],
      "raw_glosses": [
        "(typography, historical) A former point size of about 11/864 French inches or (by 1799) 345 µm."
      ],
      "tags": [
        "historical"
      ],
      "topics": [
        "media",
        "publishing",
        "typography"
      ]
    }
  ],
  "word": "Fournier point"
}