"Portland cement" meaning in English

{
  "etymology_text": "From its resemblance to limestone from Portland in Dorset.",
  "forms": [
    {
      "form": "Portland cements",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "Portland cement (countable and uncountable, plural Portland cements)",
      "name": "en-noun"
    }
  ],
  "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"
          ],
          "source": "w"
        },
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          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Catalan translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Portuguese translations",
          "parents": [],
          "source": "w"
        }
      ],
      "coordinate_terms": [
        {
          "word": "concrete"
        },
        {
          "word": "hydraulic lime"
        },
        {
          "word": "mortar"
        }
      ],
      "derived": [
        {
          "word": "OPC"
        },
        {
          "word": "ordinary Portland cement"
        },
        {
          "word": "PC"
        },
        {
          "word": "white Portland cement"
        }
      ],
      "examples": [
        {
          "ref": "2023 December 27, Richard Foster, “Building a greener future”, in RAIL, number 999, page 36:",
          "text": "Ordinary Portland Cement (OPC) is the world's most common form of cement. The blue plaque dedicated to inventor Joseph Aspdin describes OPC as \"one of mankind's most important manufactured materials\".",
          "type": "quote"
        }
      ],
      "glosses": [
        "A finely-ground powder made by heating and pulverizing limestone and clay."
      ],
      "hypernyms": [
        {
          "word": "cement"
        }
      ],
      "id": "en-Portland_cement-en-noun-QzlcNWVa",
      "links": [
        [
          "limestone",
          "limestone#English"
        ],
        [
          "clay",
          "clay#English"
        ]
      ],
      "related": [
        {
          "word": "Roman cement"
        }
      ],
      "synonyms": [
        {
          "word": "portland cement"
        }
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "translations": [
        {
          "code": "ca",
          "lang": "Catalan",
          "sense": "cement made by heating and pulverizing limestone and clay",
          "tags": [
            "masculine"
          ],
          "word": "pòrtland"
        },
        {
          "code": "pt",
          "lang": "Portuguese",
          "sense": "cement made by heating and pulverizing limestone and clay",
          "tags": [
            "masculine"
          ],
          "word": "cimento Portland"
        }
      ],
      "wikipedia": [
        "en:Portland cement"
      ]
    }
  ],
  "word": "Portland cement"
}

{
  "coordinate_terms": [
    {
      "word": "concrete"
    },
    {
      "word": "hydraulic lime"
    },
    {
      "word": "mortar"
    }
  ],
  "derived": [
    {
      "word": "OPC"
    },
    {
      "word": "ordinary Portland cement"
    },
    {
      "word": "PC"
    },
    {
      "word": "white Portland cement"
    }
  ],
  "etymology_text": "From its resemblance to limestone from Portland in Dorset.",
  "forms": [
    {
      "form": "Portland cements",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "Portland cement (countable and uncountable, plural Portland cements)",
      "name": "en-noun"
    }
  ],
  "hypernyms": [
    {
      "word": "cement"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "Roman cement"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms derived from toponyms",
        "English terms with quotations",
        "English uncountable nouns",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Catalan translations",
        "Terms with Portuguese translations"
      ],
      "examples": [
        {
          "ref": "2023 December 27, Richard Foster, “Building a greener future”, in RAIL, number 999, page 36:",
          "text": "Ordinary Portland Cement (OPC) is the world's most common form of cement. The blue plaque dedicated to inventor Joseph Aspdin describes OPC as \"one of mankind's most important manufactured materials\".",
          "type": "quote"
        }
      ],
      "glosses": [
        "A finely-ground powder made by heating and pulverizing limestone and clay."
      ],
      "links": [
        [
          "limestone",
          "limestone#English"
        ],
        [
          "clay",
          "clay#English"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "wikipedia": [
        "en:Portland cement"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "portland cement"
    }
  ],
  "translations": [
    {
      "code": "ca",
      "lang": "Catalan",
      "sense": "cement made by heating and pulverizing limestone and clay",
      "tags": [
        "masculine"
      ],
      "word": "pòrtland"
    },
    {
      "code": "pt",
      "lang": "Portuguese",
      "sense": "cement made by heating and pulverizing limestone and clay",
      "tags": [
        "masculine"
      ],
      "word": "cimento Portland"
    }
  ],
  "word": "Portland cement"
}