"physical change" meaning in English

{
  "forms": [
    {
      "form": "physical changes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "physical change (plural physical changes)",
      "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": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Mandarin terms with redundant transliterations",
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            "Terms with redundant transliterations",
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        },
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        },
        {
          "kind": "other",
          "name": "Terms with Mandarin translations",
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        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Chemistry",
          "orig": "en:Chemistry",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Physics",
          "orig": "en:Physics",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A change affecting the form of a chemical substance, but not its chemical composition."
      ],
      "id": "en-physical_change-en-noun-R4BN5GJB",
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "chemistry",
          "chemistry"
        ],
        [
          "chemical substance",
          "chemical substance"
        ],
        [
          "chemical composition",
          "chemical composition"
        ]
      ],
      "raw_glosses": [
        "(physics, chemistry) A change affecting the form of a chemical substance, but not its chemical composition."
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences",
        "physics"
      ],
      "translations": [
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "wùlǐ biànhuà",
          "sense": "change affecting the form of a chemical substance",
          "word": "物理變化 /物理变化"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "change affecting the form of a chemical substance",
          "word": "fysikaalinen muutos"
        }
      ],
      "wikipedia": [
        "physical change"
      ]
    }
  ],
  "word": "physical change"
}

{
  "forms": [
    {
      "form": "physical changes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "physical change (plural physical changes)",
      "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",
        "Entries with translation boxes",
        "Mandarin terms with redundant transliterations",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Finnish translations",
        "Terms with Mandarin translations",
        "en:Chemistry",
        "en:Physics"
      ],
      "glosses": [
        "A change affecting the form of a chemical substance, but not its chemical composition."
      ],
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "chemistry",
          "chemistry"
        ],
        [
          "chemical substance",
          "chemical substance"
        ],
        [
          "chemical composition",
          "chemical composition"
        ]
      ],
      "raw_glosses": [
        "(physics, chemistry) A change affecting the form of a chemical substance, but not its chemical composition."
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences",
        "physics"
      ],
      "wikipedia": [
        "physical change"
      ]
    }
  ],
  "translations": [
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "wùlǐ biànhuà",
      "sense": "change affecting the form of a chemical substance",
      "word": "物理變化 /物理变化"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "change affecting the form of a chemical substance",
      "word": "fysikaalinen muutos"
    }
  ],
  "word": "physical change"
}