"infix notation" meaning in English

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  "lang_code": "en",
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        "Notation where operators appear between operands, for example a+b"
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      "id": "en-infix_notation-en-noun-PNK0wa-4",
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        "(mathematics) Notation where operators appear between operands, for example a+b"
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      "related": [
        {
          "word": "Polish notation"
        },
        {
          "word": "prefix notation"
        },
        {
          "word": "reverse Polish notation"
        },
        {
          "word": "postfix notation"
        }
      ],
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        "uncountable"
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      "topics": [
        "mathematics",
        "sciences"
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      "translations": [
        {
          "code": "cs",
          "lang": "Czech",
          "sense": "(mathematics) notation where operators appear between operands",
          "tags": [
            "feminine"
          ],
          "word": "infixová notace"
        },
        {
          "code": "el",
          "lang": "Greek",
          "roman": "simeíosi epenthimáton",
          "sense": "(mathematics) notation where operators appear between operands",
          "tags": [
            "feminine"
          ],
          "word": "σημείωση επενθημάτων"
        },
        {
          "alt": "ちゅうちきほう",
          "code": "ja",
          "lang": "Japanese",
          "roman": "chūchikihō",
          "sense": "(mathematics) notation where operators appear between operands",
          "word": "中置記法"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "ínfiksnaja notácija",
          "sense": "(mathematics) notation where operators appear between operands",
          "tags": [
            "feminine"
          ],
          "word": "и́нфиксная нота́ция"
        }
      ],
      "wikipedia": [
        "infix notation"
      ]
    }
  ],
  "word": "infix notation"
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  "lang_code": "en",
  "pos": "noun",
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      "word": "Polish notation"
    },
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    },
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      "word": "reverse Polish notation"
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      "word": "postfix notation"
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        "(mathematics) Notation where operators appear between operands, for example a+b"
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  "translations": [
    {
      "code": "cs",
      "lang": "Czech",
      "sense": "(mathematics) notation where operators appear between operands",
      "tags": [
        "feminine"
      ],
      "word": "infixová notace"
    },
    {
      "code": "el",
      "lang": "Greek",
      "roman": "simeíosi epenthimáton",
      "sense": "(mathematics) notation where operators appear between operands",
      "tags": [
        "feminine"
      ],
      "word": "σημείωση επενθημάτων"
    },
    {
      "alt": "ちゅうちきほう",
      "code": "ja",
      "lang": "Japanese",
      "roman": "chūchikihō",
      "sense": "(mathematics) notation where operators appear between operands",
      "word": "中置記法"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "ínfiksnaja notácija",
      "sense": "(mathematics) notation where operators appear between operands",
      "tags": [
        "feminine"
      ],
      "word": "и́нфиксная нота́ция"
    }
  ],
  "word": "infix notation"
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