"相転移" meaning in 日本語

{
  "categories": [
    {
      "kind": "other",
      "name": "日本語",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "日本語 名詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "日本語 国際音声記号あり",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "そうてんい"
    },
    {
      "form": "相轉移",
      "raw_tags": [
        "旧字体"
      ]
    }
  ],
  "lang": "日本語",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "名詞",
  "related": [
    {
      "word": "三態"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "日本語 物理化学",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "現在その物質の相（気相、液相または固相）が別の相に移ること。"
      ],
      "id": "ja-相転移-ja-noun-HJw~AGGN",
      "raw_tags": [
        "物理化学"
      ]
    }
  ],
  "sounds": [
    {
      "form": "そーてんい",
      "raw_tags": [
        "東京式"
      ],
      "roman": "[sòótéꜜǹ'ì]",
      "tags": [
        "Nakadaka"
      ]
    },
    {
      "ipa": "[so̞ːtẽ̞ɰ̃i]"
    }
  ],
  "synonyms": [
    {
      "word": "状態変化"
    }
  ],
  "word": "相転移"
}

{
  "categories": [
    "日本語",
    "日本語 名詞",
    "日本語 国際音声記号あり"
  ],
  "forms": [
    {
      "form": "そうてんい"
    },
    {
      "form": "相轉移",
      "raw_tags": [
        "旧字体"
      ]
    }
  ],
  "lang": "日本語",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "名詞",
  "related": [
    {
      "word": "三態"
    }
  ],
  "senses": [
    {
      "categories": [
        "日本語 物理化学"
      ],
      "glosses": [
        "現在その物質の相（気相、液相または固相）が別の相に移ること。"
      ],
      "raw_tags": [
        "物理化学"
      ]
    }
  ],
  "sounds": [
    {
      "form": "そーてんい",
      "raw_tags": [
        "東京式"
      ],
      "roman": "[sòótéꜜǹ'ì]",
      "tags": [
        "Nakadaka"
      ]
    },
    {
      "ipa": "[so̞ːtẽ̞ɰ̃i]"
    }
  ],
  "synonyms": [
    {
      "word": "状態変化"
    }
  ],
  "word": "相転移"
}