"step-down" meaning in English

{
  "antonyms": [
    {
      "word": "step-up"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": ":deverbal",
        "3": "step down",
        "text": "+",
        "tree": "1"
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      "expansion": "Etymology tree\nEnglish step downdeverb.\nEnglish step-down\n[Appendix:Glossary#deverbal|Deverbal]] from\", \"terms\" : [ { \"children\" : [ ], \"lang_name\" : \"English\", \"term\" : \"step down\", \"status\" : \"missing\", \"lang\" : \"en\" } ], \"keyword\" : \"deverbal\" } ], \"lang_name\" : \"English\", \"term\" : \"step-down\", \"status\" : \"ok\", \"lang\" : \"en\" }\" data-lang=\"en\" data-title=\"step-down\">\nDeverbal from step down.",
      "name": "ety"
    }
  ],
  "etymology_text": "Etymology tree\nEnglish step downdeverb.\nEnglish step-down\nDeverbal from step down.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "step-down (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "related": [
    {
      "_dis1": "0 0",
      "word": "step-off"
    },
    {
      "_dis1": "0 0",
      "word": "step down"
    }
  ],
  "senses": [
    {
      "glosses": [
        "That decreases in stages."
      ],
      "id": "en-step-down-en-adj-ZQVdZYw-",
      "links": [
        [
          "decrease",
          "decrease"
        ],
        [
          "stage",
          "stage"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    },
    {
      "categories": [
        {
          "_dis": "30 70",
          "kind": "other",
          "name": "English deverbals",
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          "_dis": "33 67",
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        },
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          "_dis": "33 67",
          "kind": "other",
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          "parents": [],
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        },
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          "_dis": "15 85",
          "kind": "other",
          "name": "English entries with incorrect language header",
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          "_dis": "25 75",
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          "name": "Terms with Finnish translations",
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        },
        {
          "_dis": "25 75",
          "kind": "other",
          "name": "Terms with Vietnamese translations",
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          "source": "w+disamb"
        }
      ],
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        {
          "bold_text_offsets": [
            [
              209,
              218
            ]
          ],
          "ref": "1958 September 23, “Swindon's First Main-Line Diesel Locomotive”, in Railway Magazine, page 604:",
          "text": "The internal lighting of the new locomotives can be supplied either from the battery or the dynostarter, and may also be connected to an external supply of 200-250 volts a.c. through a changeover switch and a step-down transformer.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "That reduces a voltage."
      ],
      "id": "en-step-down-en-adj-YOhZd4rR",
      "links": [
        [
          "voltage",
          "voltage"
        ]
      ],
      "raw_glosses": [
        "(of a transformer etc.) That reduces a voltage."
      ],
      "raw_tags": [
        "of a transformer etc."
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "translations": [
    {
      "_dis1": "50 50",
      "code": "fi",
      "lang": "Finnish",
      "lang_code": "fi",
      "sense": "voltage decrease",
      "word": "jännitettä laskeva"
    },
    {
      "_dis1": "50 50",
      "code": "vi",
      "lang": "Vietnamese",
      "lang_code": "vi",
      "sense": "voltage decrease",
      "word": "hạ thế"
    }
  ],
  "word": "step-down"
}

{
  "antonyms": [
    {
      "word": "step-up"
    }
  ],
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    "English adjectives",
    "English deverbals",
    "English entries referencing missing etymons",
    "English entries with etymology texts",
    "English entries with etymology trees",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English uncomparable adjectives",
    "Entries with translation boxes",
    "Pages using etymon with no ID",
    "Pages with 1 entry",
    "Pages with entries",
    "Pages with etymology trees",
    "Terms with Finnish translations",
    "Terms with Vietnamese translations"
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  "etymology_templates": [
    {
      "args": {
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        "2": ":deverbal",
        "3": "step down",
        "text": "+",
        "tree": "1"
      },
      "expansion": "Etymology tree\nEnglish step downdeverb.\nEnglish step-down\n[Appendix:Glossary#deverbal|Deverbal]] from\", \"terms\" : [ { \"children\" : [ ], \"lang_name\" : \"English\", \"term\" : \"step down\", \"status\" : \"missing\", \"lang\" : \"en\" } ], \"keyword\" : \"deverbal\" } ], \"lang_name\" : \"English\", \"term\" : \"step-down\", \"status\" : \"ok\", \"lang\" : \"en\" }\" data-lang=\"en\" data-title=\"step-down\">\nDeverbal from step down.",
      "name": "ety"
    }
  ],
  "etymology_text": "Etymology tree\nEnglish step downdeverb.\nEnglish step-down\nDeverbal from step down.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "step-down (not comparable)",
      "name": "en-adj"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "related": [
    {
      "word": "step-off"
    },
    {
      "word": "step down"
    }
  ],
  "senses": [
    {
      "glosses": [
        "That decreases in stages."
      ],
      "links": [
        [
          "decrease",
          "decrease"
        ],
        [
          "stage",
          "stage"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    },
    {
      "categories": [
        "English terms with quotations"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              209,
              218
            ]
          ],
          "ref": "1958 September 23, “Swindon's First Main-Line Diesel Locomotive”, in Railway Magazine, page 604:",
          "text": "The internal lighting of the new locomotives can be supplied either from the battery or the dynostarter, and may also be connected to an external supply of 200-250 volts a.c. through a changeover switch and a step-down transformer.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "That reduces a voltage."
      ],
      "links": [
        [
          "voltage",
          "voltage"
        ]
      ],
      "raw_glosses": [
        "(of a transformer etc.) That reduces a voltage."
      ],
      "raw_tags": [
        "of a transformer etc."
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "lang_code": "fi",
      "sense": "voltage decrease",
      "word": "jännitettä laskeva"
    },
    {
      "code": "vi",
      "lang": "Vietnamese",
      "lang_code": "vi",
      "sense": "voltage decrease",
      "word": "hạ thế"
    }
  ],
  "word": "step-down"
}