"hardwall" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "hard",
        "3": "wall"
      },
      "expansion": "hard + wall",
      "name": "compound"
    }
  ],
  "etymology_text": "From hard + wall.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "hardwall (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "_dis": "55 45",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "coordinate_terms": [
        {
          "word": "softwall"
        }
      ],
      "examples": [
        {
          "ref": "1966, Pit & Quarry, page 74",
          "text": "Floating wire hardwall, softwall, and corrugated hardwall constructions are available in a variety of cover materials, such as neoprene, natural rubber, butyl, which the manufacturer reports meet practically every application requirement in the bulk materials handling field.",
          "type": "quotation"
        },
        {
          "ref": "1976, Broadcast Engineering, page 36",
          "text": "The Hardwall Flat[…]Figure 3 shows how a soft or hardwall flat can be made to stand on its own, away from a studio wall.",
          "type": "quotation"
        },
        {
          "ref": "2003, Herbert Zettl, Television Production Handbook, 8th edition, Thomson/Wadsworth, page 370",
          "text": "Although television stations and non-broadcast production houses use hardwall scenery almost exclusively, softwall scenery is more practical for high-school and college television operations.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Made from rigid materials such as wood, metal, or fiberboard."
      ],
      "id": "en-hardwall-en-adj-3Unk9BXU",
      "links": [
        [
          "rigid",
          "rigid"
        ],
        [
          "material",
          "material"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "hardwall"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "hard",
        "3": "wall"
      },
      "expansion": "hard + wall",
      "name": "compound"
    }
  ],
  "etymology_text": "From hard + wall.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "hardwall (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "55 45",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "ref": "1923, Trade and Industrial Series - Issues 1-7, page 43",
          "text": "Keen's cement finish bonds best to a base of strongly gauged Keen's cement mortar, but the addition of lime putty increases its bonding qualities when applied over a hardwall, lime mortar, or Portland cement base coat.",
          "type": "quotation"
        },
        {
          "ref": "1950, Information Circular - Issues 7555-7568, page 15",
          "text": "Hardwall-grade calcined gypsum ( +90 percent Casoy ) passes over a vibrating scrcen fitted with a 50-mesh screen;",
          "type": "quotation"
        },
        {
          "ref": "1992, United States Congress House Committee on Government Operations: Environment, Energy, and Natural Resources Subcommittee, EPA's Administration of the Asbestos in Schools Program, page 157",
          "text": "When EPA promulgated its final AHERA regulations on October 30, 1987, the regulations did not mention sheetrock, drywall, gypsum wallboard or hardwall plaster as ACM.",
          "type": "quotation"
        },
        {
          "ref": "2010, DIY Doctor, Master Basic DIY: Teach Yourself",
          "text": "Hardwall is similar to browning except that it offers a higher impact resistance and quicker drying surface.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A strong grade of gypsum plaster, used primarily as an undercoat."
      ],
      "id": "en-hardwall-en-noun-di7pi3rO",
      "links": [
        [
          "grade",
          "grade"
        ],
        [
          "gypsum",
          "gypsum"
        ],
        [
          "plaster",
          "plaster"
        ],
        [
          "undercoat",
          "undercoat"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "hardwall"
}

{
  "categories": [
    "English adjectives",
    "English compound terms",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English uncomparable adjectives",
    "English uncountable nouns"
  ],
  "coordinate_terms": [
    {
      "word": "softwall"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "hard",
        "3": "wall"
      },
      "expansion": "hard + wall",
      "name": "compound"
    }
  ],
  "etymology_text": "From hard + wall.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "hardwall (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1966, Pit & Quarry, page 74",
          "text": "Floating wire hardwall, softwall, and corrugated hardwall constructions are available in a variety of cover materials, such as neoprene, natural rubber, butyl, which the manufacturer reports meet practically every application requirement in the bulk materials handling field.",
          "type": "quotation"
        },
        {
          "ref": "1976, Broadcast Engineering, page 36",
          "text": "The Hardwall Flat[…]Figure 3 shows how a soft or hardwall flat can be made to stand on its own, away from a studio wall.",
          "type": "quotation"
        },
        {
          "ref": "2003, Herbert Zettl, Television Production Handbook, 8th edition, Thomson/Wadsworth, page 370",
          "text": "Although television stations and non-broadcast production houses use hardwall scenery almost exclusively, softwall scenery is more practical for high-school and college television operations.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Made from rigid materials such as wood, metal, or fiberboard."
      ],
      "links": [
        [
          "rigid",
          "rigid"
        ],
        [
          "material",
          "material"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "hardwall"
}

{
  "categories": [
    "English adjectives",
    "English compound terms",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English uncomparable adjectives",
    "English uncountable nouns"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "hard",
        "3": "wall"
      },
      "expansion": "hard + wall",
      "name": "compound"
    }
  ],
  "etymology_text": "From hard + wall.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "hardwall (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1923, Trade and Industrial Series - Issues 1-7, page 43",
          "text": "Keen's cement finish bonds best to a base of strongly gauged Keen's cement mortar, but the addition of lime putty increases its bonding qualities when applied over a hardwall, lime mortar, or Portland cement base coat.",
          "type": "quotation"
        },
        {
          "ref": "1950, Information Circular - Issues 7555-7568, page 15",
          "text": "Hardwall-grade calcined gypsum ( +90 percent Casoy ) passes over a vibrating scrcen fitted with a 50-mesh screen;",
          "type": "quotation"
        },
        {
          "ref": "1992, United States Congress House Committee on Government Operations: Environment, Energy, and Natural Resources Subcommittee, EPA's Administration of the Asbestos in Schools Program, page 157",
          "text": "When EPA promulgated its final AHERA regulations on October 30, 1987, the regulations did not mention sheetrock, drywall, gypsum wallboard or hardwall plaster as ACM.",
          "type": "quotation"
        },
        {
          "ref": "2010, DIY Doctor, Master Basic DIY: Teach Yourself",
          "text": "Hardwall is similar to browning except that it offers a higher impact resistance and quicker drying surface.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A strong grade of gypsum plaster, used primarily as an undercoat."
      ],
      "links": [
        [
          "grade",
          "grade"
        ],
        [
          "gypsum",
          "gypsum"
        ],
        [
          "plaster",
          "plaster"
        ],
        [
          "undercoat",
          "undercoat"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "hardwall"
}