"step function" meaning in English

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      "form": "step functions",
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        "plural"
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      "expansion": "step function (plural step functions)",
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  "lang_code": "en",
  "pos": "noun",
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        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Functions",
          "orig": "en:Functions",
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            "Calculus",
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            "Mathematical analysis",
            "Mathematics",
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        },
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          "langcode": "en",
          "name": "Mathematics",
          "orig": "en:Mathematics",
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            "Sciences",
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      ],
      "glosses": [
        "A function from the real line to a finite subset of the real line."
      ],
      "id": "en-step_function-en-noun-dolcKjFi",
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "function",
          "function"
        ],
        [
          "real line",
          "real line"
        ],
        [
          "finite",
          "finite"
        ],
        [
          "subset",
          "subset"
        ]
      ],
      "raw_glosses": [
        "(mathematics) A function from the real line to a finite subset of the real line."
      ],
      "topics": [
        "mathematics",
        "sciences"
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "mathematical function",
          "word": "askelfunktio"
        },
        {
          "code": "hi",
          "lang": "Hindi",
          "roman": "pag phalan",
          "sense": "mathematical function",
          "word": "पग फलन"
        },
        {
          "code": "hi",
          "lang": "Hindi",
          "roman": "sopān phalan",
          "sense": "mathematical function",
          "word": "सोपान फलन"
        },
        {
          "code": "hu",
          "lang": "Hungarian",
          "sense": "mathematical function",
          "word": "lépcsős függvény"
        },
        {
          "code": "sv",
          "lang": "Swedish",
          "sense": "mathematical function",
          "tags": [
            "common-gender"
          ],
          "word": "stegfunktion"
        }
      ],
      "wikipedia": [
        "step function"
      ]
    }
  ],
  "word": "step function"
}

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  "lang_code": "en",
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        "A function from the real line to a finite subset of the real line."
      ],
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        ],
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          "function",
          "function"
        ],
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          "real line",
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        ],
        [
          "finite",
          "finite"
        ],
        [
          "subset",
          "subset"
        ]
      ],
      "raw_glosses": [
        "(mathematics) A function from the real line to a finite subset of the real line."
      ],
      "topics": [
        "mathematics",
        "sciences"
      ],
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        "step function"
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  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "mathematical function",
      "word": "askelfunktio"
    },
    {
      "code": "hi",
      "lang": "Hindi",
      "roman": "pag phalan",
      "sense": "mathematical function",
      "word": "पग फलन"
    },
    {
      "code": "hi",
      "lang": "Hindi",
      "roman": "sopān phalan",
      "sense": "mathematical function",
      "word": "सोपान फलन"
    },
    {
      "code": "hu",
      "lang": "Hungarian",
      "sense": "mathematical function",
      "word": "lépcsős függvény"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "mathematical function",
      "tags": [
        "common-gender"
      ],
      "word": "stegfunktion"
    }
  ],
  "word": "step function"
}