"⁺" meaning in Conventions internationales

{
  "antonyms": [
    {
      "word": "⁻"
    }
  ],
  "categories": [
    {
      "kind": "other",
      "name": "Exposants typographiques",
      "parents": [],
      "source": "w"
    },
    {
      "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",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en conventions internationales",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Exemples en conventions internationales avec traduction désactivée",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Lexique en conventions internationales de la chimie",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Ca²⁺"
        }
      ],
      "glosses": [
        "Indique une charge positive d’un ion."
      ],
      "id": "fr-⁺-conv-symbol-mqQoyayF",
      "topics": [
        "chemistry"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en conventions internationales",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Exemples en conventions internationales avec traduction désactivée",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Lexique en conventions internationales des mathématiques",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Termes rares en conventions internationales",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "⁺5 + ⁻3 = ⁺2"
        }
      ],
      "glosses": [
        "Indique l’opérateur unaire positif en le distinguant de l’opérateur binaire d’addition +."
      ],
      "id": "fr-⁺-conv-symbol-wkwWQAf0",
      "tags": [
        "rare"
      ],
      "topics": [
        "mathematics"
      ]
    }
  ],
  "word": "⁺"
}

{
  "antonyms": [
    {
      "word": "⁻"
    }
  ],
  "categories": [
    "Exposants typographiques",
    "Symboles en conventions internationales",
    "conventions internationales"
  ],
  "lang": "Conventions internationales",
  "lang_code": "conv",
  "pos": "symbol",
  "pos_title": "Symbole",
  "senses": [
    {
      "categories": [
        "Exemples en conventions internationales",
        "Exemples en conventions internationales avec traduction désactivée",
        "Lexique en conventions internationales de la chimie"
      ],
      "examples": [
        {
          "text": "Ca²⁺"
        }
      ],
      "glosses": [
        "Indique une charge positive d’un ion."
      ],
      "topics": [
        "chemistry"
      ]
    },
    {
      "categories": [
        "Exemples en conventions internationales",
        "Exemples en conventions internationales avec traduction désactivée",
        "Lexique en conventions internationales des mathématiques",
        "Termes rares en conventions internationales"
      ],
      "examples": [
        {
          "text": "⁺5 + ⁻3 = ⁺2"
        }
      ],
      "glosses": [
        "Indique l’opérateur unaire positif en le distinguant de l’opérateur binaire d’addition +."
      ],
      "tags": [
        "rare"
      ],
      "topics": [
        "mathematics"
      ]
    }
  ],
  "word": "⁺"
}