"preharden" meaning in All languages combined

{
  "categories": [
    {
      "kind": "other",
      "name": "含有前綴pre-的英語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "有1個詞條的頁面",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "英語動詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "英語詞元",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_text": "pre- + harden",
  "forms": [
    {
      "form": "prehardens",
      "raw_tags": [
        "第三人稱單數簡單現在時"
      ]
    },
    {
      "form": "prehardening",
      "raw_tags": [
        "現在分詞"
      ]
    },
    {
      "form": "prehardened",
      "raw_tags": [
        "一般過去時及過去分詞"
      ]
    }
  ],
  "lang": "英語",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "英語 工程學",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "預堅膜"
      ],
      "id": "zh-preharden-en-verb-yVPpaXjC",
      "topics": [
        "engineering"
      ]
    }
  ],
  "word": "preharden"
}

{
  "categories": [
    "含有前綴pre-的英語詞",
    "有1個詞條的頁面",
    "英語動詞",
    "英語詞元"
  ],
  "etymology_text": "pre- + harden",
  "forms": [
    {
      "form": "prehardens",
      "raw_tags": [
        "第三人稱單數簡單現在時"
      ]
    },
    {
      "form": "prehardening",
      "raw_tags": [
        "現在分詞"
      ]
    },
    {
      "form": "prehardened",
      "raw_tags": [
        "一般過去時及過去分詞"
      ]
    }
  ],
  "lang": "英語",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "英語 工程學"
      ],
      "glosses": [
        "預堅膜"
      ],
      "topics": [
        "engineering"
      ]
    }
  ],
  "word": "preharden"
}