"unburn" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "un-",
        "3": "burn",
        "id1": "reversive"
      },
      "expansion": "un- + burn",
      "name": "af"
    }
  ],
  "etymology_text": "From un- + burn.",
  "forms": [
    {
      "form": "unburns",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "unburning",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "unburned",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "unburned",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "unburn (third-person singular simple present unburns, present participle unburning, simple past and past participle unburned)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with un- (reversive)",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Fire",
          "orig": "en:Fire",
          "parents": [
            "Combustion",
            "Light sources",
            "Chemical processes",
            "Light",
            "Nature",
            "Energy",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2002, Jim Al-Khalili, Black Holes, Wormholes and Time Machines, page 122:",
          "text": "Similarly, you cannot 'unstir' the sugar from a cup of coffee once it has been dissolved, and you never see a pile of ash in the fireplace 'unburn' to become a log of wood again.",
          "type": "quote"
        },
        {
          "ref": "2009, Bradley Harris Dowden, The Metaphysics of Time: A Dialogue, page 122:",
          "text": "In your class last year we learned that increase in entropy is why matches burn but never unburn, why cans rust but never unrust, and why engines are never perfectly efficient.",
          "type": "quote"
        }
      ],
      "glosses": [
        "To undergo the process of burning in reverse."
      ],
      "id": "en-unburn-en-verb-J1fUUYR5",
      "raw_glosses": [
        "(intransitive) To undergo the process of burning in reverse."
      ],
      "tags": [
        "intransitive"
      ]
    }
  ],
  "word": "unburn"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "un-",
        "3": "burn",
        "id1": "reversive"
      },
      "expansion": "un- + burn",
      "name": "af"
    }
  ],
  "etymology_text": "From un- + burn.",
  "forms": [
    {
      "form": "unburns",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "unburning",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "unburned",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "unburned",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "unburn (third-person singular simple present unburns, present participle unburning, simple past and past participle unburned)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English intransitive verbs",
        "English lemmas",
        "English terms prefixed with un- (reversive)",
        "English terms with quotations",
        "English verbs",
        "Pages with 1 entry",
        "Pages with entries",
        "Quotation templates to be cleaned",
        "en:Fire"
      ],
      "examples": [
        {
          "ref": "2002, Jim Al-Khalili, Black Holes, Wormholes and Time Machines, page 122:",
          "text": "Similarly, you cannot 'unstir' the sugar from a cup of coffee once it has been dissolved, and you never see a pile of ash in the fireplace 'unburn' to become a log of wood again.",
          "type": "quote"
        },
        {
          "ref": "2009, Bradley Harris Dowden, The Metaphysics of Time: A Dialogue, page 122:",
          "text": "In your class last year we learned that increase in entropy is why matches burn but never unburn, why cans rust but never unrust, and why engines are never perfectly efficient.",
          "type": "quote"
        }
      ],
      "glosses": [
        "To undergo the process of burning in reverse."
      ],
      "raw_glosses": [
        "(intransitive) To undergo the process of burning in reverse."
      ],
      "tags": [
        "intransitive"
      ]
    }
  ],
  "word": "unburn"
}