"sn" meaning in Conventions internationales

{
  "categories": [
    {
      "kind": "other",
      "name": "Symboles en conventions internationales",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Conventions internationales",
      "orig": "conventions internationales",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Conventions internationales",
  "lang_code": "conv",
  "pos": "symbol",
  "pos_title": "Symbole",
  "related": [
    {
      "sense": "(Mathématiques)",
      "word": "sin"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en français",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Lexique en conventions internationales de la métrologie",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Une sthène vaut un kilonewton : 1 sn = 1 kN"
        }
      ],
      "glosses": [
        "Symbole de la sthène, unité de mesure de force du système mts."
      ],
      "id": "fr-sn-conv-symbol-KdZOHDLO",
      "topics": [
        "metrology"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en conventions internationales de la linguistique",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Code ISO 639-1 (alpha-2) du shona."
      ],
      "id": "fr-sn-conv-symbol-SiDAt0HW",
      "topics": [
        "linguistic"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en conventions internationales des mathématiques",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Termes rares en conventions internationales",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Symbole du sinus."
      ],
      "id": "fr-sn-conv-symbol-nC7J7A0W",
      "tags": [
        "rare"
      ],
      "topics": [
        "mathematics"
      ]
    }
  ],
  "tags": [
    "invariable"
  ],
  "word": "sn"
}

{
  "categories": [
    "Symboles en conventions internationales",
    "conventions internationales"
  ],
  "lang": "Conventions internationales",
  "lang_code": "conv",
  "pos": "symbol",
  "pos_title": "Symbole",
  "related": [
    {
      "sense": "(Mathématiques)",
      "word": "sin"
    }
  ],
  "senses": [
    {
      "categories": [
        "Exemples en français",
        "Lexique en conventions internationales de la métrologie"
      ],
      "examples": [
        {
          "text": "Une sthène vaut un kilonewton : 1 sn = 1 kN"
        }
      ],
      "glosses": [
        "Symbole de la sthène, unité de mesure de force du système mts."
      ],
      "topics": [
        "metrology"
      ]
    },
    {
      "categories": [
        "Lexique en conventions internationales de la linguistique"
      ],
      "glosses": [
        "Code ISO 639-1 (alpha-2) du shona."
      ],
      "topics": [
        "linguistic"
      ]
    },
    {
      "categories": [
        "Lexique en conventions internationales des mathématiques",
        "Termes rares en conventions internationales"
      ],
      "glosses": [
        "Symbole du sinus."
      ],
      "tags": [
        "rare"
      ],
      "topics": [
        "mathematics"
      ]
    }
  ],
  "tags": [
    "invariable"
  ],
  "word": "sn"
}