"pass by value" meaning in English

{
  "antonyms": [
    {
      "word": "call-by-reference"
    },
    {
      "word": "pass-by-reference"
    }
  ],
  "etymology_text": ": pass by value < → δείτε τις λέξεις pass, by και value",
  "forms": [
    {
      "form": "pass by value"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Προγραμματισμός (αγγλικά)",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "άλλη γραφή του pass-by-value"
      ],
      "id": "el-pass_by_value-en-noun-HFaHpw4m",
      "raw_tags": [
        "προγραμματισμός"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "call-by-value"
    }
  ],
  "word": "pass by value"
}

{
  "antonyms": [
    {
      "word": "call-by-reference"
    },
    {
      "word": "pass-by-reference"
    }
  ],
  "etymology_text": ": pass by value < → δείτε τις λέξεις pass, by και value",
  "forms": [
    {
      "form": "pass by value"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Προγραμματισμός (αγγλικά)"
      ],
      "glosses": [
        "άλλη γραφή του pass-by-value"
      ],
      "raw_tags": [
        "προγραμματισμός"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "call-by-value"
    }
  ],
  "word": "pass by value"
}