"variable cost" meaning in English

{
  "forms": [
    {
      "form": "variable costs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "variable cost (plural variable costs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Accounting",
          "orig": "en:Accounting",
          "parents": [
            "Finance",
            "Business",
            "Economics",
            "Society",
            "Social sciences",
            "All topics",
            "Sciences",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "coordinate_terms": [
        {
          "word": "fixed cost"
        },
        {
          "word": "semi-variable cost"
        }
      ],
      "examples": [
        {
          "text": "Variable costs of nuclear-generated electricity seem low.",
          "type": "example"
        },
        {
          "text": "Variable costs may actually vary with the number of shifts, the number of set-ups, or many other specific activities.",
          "type": "example"
        }
      ],
      "glosses": [
        "A cost that changes with the change in volume of activity of an organization."
      ],
      "id": "en-variable_cost-en-noun-P9IrIYUm",
      "links": [
        [
          "accounting",
          "accounting#Noun"
        ]
      ],
      "raw_glosses": [
        "(accounting) A cost that changes with the change in volume of activity of an organization."
      ],
      "topics": [
        "accounting",
        "business",
        "finance"
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "cost that changes with volume of production",
          "word": "muuttuva kustannus"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "cost that changes with volume of production",
          "tags": [
            "masculine"
          ],
          "word": "coût variable"
        },
        {
          "code": "pl",
          "lang": "Polish",
          "sense": "cost that changes with volume of production",
          "tags": [
            "masculine"
          ],
          "word": "koszt zmienny"
        },
        {
          "code": "tl",
          "lang": "Tagalog",
          "sense": "cost that changes with volume of production",
          "word": "aliging halaga"
        }
      ]
    }
  ],
  "word": "variable cost"
}

{
  "coordinate_terms": [
    {
      "word": "fixed cost"
    },
    {
      "word": "semi-variable cost"
    }
  ],
  "forms": [
    {
      "form": "variable costs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "variable cost (plural variable costs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with usage examples",
        "en:Accounting"
      ],
      "examples": [
        {
          "text": "Variable costs of nuclear-generated electricity seem low.",
          "type": "example"
        },
        {
          "text": "Variable costs may actually vary with the number of shifts, the number of set-ups, or many other specific activities.",
          "type": "example"
        }
      ],
      "glosses": [
        "A cost that changes with the change in volume of activity of an organization."
      ],
      "links": [
        [
          "accounting",
          "accounting#Noun"
        ]
      ],
      "raw_glosses": [
        "(accounting) A cost that changes with the change in volume of activity of an organization."
      ],
      "topics": [
        "accounting",
        "business",
        "finance"
      ]
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "cost that changes with volume of production",
      "word": "muuttuva kustannus"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "cost that changes with volume of production",
      "tags": [
        "masculine"
      ],
      "word": "coût variable"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "cost that changes with volume of production",
      "tags": [
        "masculine"
      ],
      "word": "koszt zmienny"
    },
    {
      "code": "tl",
      "lang": "Tagalog",
      "sense": "cost that changes with volume of production",
      "word": "aliging halaga"
    }
  ],
  "word": "variable cost"
}