"sec" 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"
    }
  ],
  "derived": [
    {
      "tags": [
        "rare"
      ],
      "word": "fsec"
    },
    {
      "word": "msec"
    },
    {
      "word": "nsec"
    },
    {
      "tags": [
        "rare"
      ],
      "word": "psec"
    },
    {
      "word": "μsec"
    }
  ],
  "lang": "Conventions internationales",
  "lang_code": "conv",
  "pos": "symbol",
  "pos_title": "Symbole",
  "related": [
    {
      "word": "arcsec"
    },
    {
      "sense": "arc-sécante",
      "word": "arsec"
    },
    {
      "sense": "sécante hyperbolique",
      "word": "sech"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en conventions internationales des mathématiques",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Sécante."
      ],
      "id": "fr-sec-conv-symbol-goobQLMd",
      "topics": [
        "mathematics"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en conventions internationales de la linguistique",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Code ISO 639-2 (alpha-3) sechelt."
      ],
      "id": "fr-sec-conv-symbol-MzKXpHft",
      "topics": [
        "linguistic"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en conventions internationales de la métrologie",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Symbole de la seconde."
      ],
      "id": "fr-sec-conv-symbol-1TDwRHis",
      "note": "Le symbole du Système international est s",
      "raw_tags": [
        "Non standard"
      ],
      "topics": [
        "metrology"
      ]
    }
  ],
  "word": "sec"
}

{
  "categories": [
    "Symboles en conventions internationales",
    "conventions internationales"
  ],
  "derived": [
    {
      "tags": [
        "rare"
      ],
      "word": "fsec"
    },
    {
      "word": "msec"
    },
    {
      "word": "nsec"
    },
    {
      "tags": [
        "rare"
      ],
      "word": "psec"
    },
    {
      "word": "μsec"
    }
  ],
  "lang": "Conventions internationales",
  "lang_code": "conv",
  "pos": "symbol",
  "pos_title": "Symbole",
  "related": [
    {
      "word": "arcsec"
    },
    {
      "sense": "arc-sécante",
      "word": "arsec"
    },
    {
      "sense": "sécante hyperbolique",
      "word": "sech"
    }
  ],
  "senses": [
    {
      "categories": [
        "Lexique en conventions internationales des mathématiques"
      ],
      "glosses": [
        "Sécante."
      ],
      "topics": [
        "mathematics"
      ]
    },
    {
      "categories": [
        "Lexique en conventions internationales de la linguistique"
      ],
      "glosses": [
        "Code ISO 639-2 (alpha-3) sechelt."
      ],
      "topics": [
        "linguistic"
      ]
    },
    {
      "categories": [
        "Lexique en conventions internationales de la métrologie"
      ],
      "glosses": [
        "Symbole de la seconde."
      ],
      "note": "Le symbole du Système international est s",
      "raw_tags": [
        "Non standard"
      ],
      "topics": [
        "metrology"
      ]
    }
  ],
  "word": "sec"
}