"hardcoat" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "hard",
        "3": "coat"
      },
      "expansion": "hard + coat",
      "name": "compound"
    }
  ],
  "etymology_text": "hard + coat",
  "forms": [
    {
      "form": "hardcoats",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
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      "expansion": "hardcoat (countable and uncountable, plural hardcoats)",
      "name": "en-noun"
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  ],
  "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"
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          "source": "w"
        }
      ],
      "coordinate_terms": [
        {
          "word": "softcoat"
        }
      ],
      "examples": [
        {
          "ref": "2012, Michael Quinten, A Practical Guide to Optical Metrology for Thin Films",
          "text": "Another transparent material for passivation is silicon nitride, Si₃N₄, that also acts as hardcoat.",
          "type": "quotation"
        },
        {
          "ref": "2013, Steven Abbott, Nigel Holmes, Nanocoatings: Principles and Practice: From Research to Production, page 255",
          "text": "Such brute-force tactics generally fail for hardcoats on flexible substrates and there seems to be no correlation between scratch resistance and modulus once a certain minimum modulus (~1 GPa) has been reached.",
          "type": "quotation"
        },
        {
          "ref": "2017, Yogi Goswami, Advances in Solar Energy, volume 16",
          "text": "Super Thin Glass: SAIC of McLean, Virginia, and NREL have been developing a front surface mirror concept with a hardcoat protective layer. The material uses an ion-beam-assisted deposition (IBAD) process to deposit the very hard (cleanable), dense (protective) alumina topcoat.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A coating that provides a hard, protective layer."
      ],
      "id": "en-hardcoat-en-noun-tdjcGnlY",
      "links": [
        [
          "coating",
          "coating"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "hardcoat"
}

{
  "coordinate_terms": [
    {
      "word": "softcoat"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "hard",
        "3": "coat"
      },
      "expansion": "hard + coat",
      "name": "compound"
    }
  ],
  "etymology_text": "hard + coat",
  "forms": [
    {
      "form": "hardcoats",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "hardcoat (countable and uncountable, plural hardcoats)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English compound terms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
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        "English terms with quotations",
        "English uncountable nouns",
        "Quotation templates to be cleaned"
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      "examples": [
        {
          "ref": "2012, Michael Quinten, A Practical Guide to Optical Metrology for Thin Films",
          "text": "Another transparent material for passivation is silicon nitride, Si₃N₄, that also acts as hardcoat.",
          "type": "quotation"
        },
        {
          "ref": "2013, Steven Abbott, Nigel Holmes, Nanocoatings: Principles and Practice: From Research to Production, page 255",
          "text": "Such brute-force tactics generally fail for hardcoats on flexible substrates and there seems to be no correlation between scratch resistance and modulus once a certain minimum modulus (~1 GPa) has been reached.",
          "type": "quotation"
        },
        {
          "ref": "2017, Yogi Goswami, Advances in Solar Energy, volume 16",
          "text": "Super Thin Glass: SAIC of McLean, Virginia, and NREL have been developing a front surface mirror concept with a hardcoat protective layer. The material uses an ion-beam-assisted deposition (IBAD) process to deposit the very hard (cleanable), dense (protective) alumina topcoat.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A coating that provides a hard, protective layer."
      ],
      "links": [
        [
          "coating",
          "coating"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "hardcoat"
}