"ground glass" meaning in English

{
  "forms": [
    {
      "form": "ground glasses",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "ground glass (countable and uncountable, plural ground glasses)",
      "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"
        },
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          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
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          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Gujarati translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Glass",
          "orig": "en:Glass",
          "parents": [
            "Materials",
            "Manufacturing",
            "Human activity",
            "Human behaviour",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "ground glass hepatocyte"
        },
        {
          "word": "ground glass joint"
        },
        {
          "word": "ground glass opacity"
        },
        {
          "word": "ground glass screen"
        }
      ],
      "glosses": [
        "Glass having a rough, flat surface produced by abrasion or etching."
      ],
      "id": "en-ground_glass-en-noun-ebziH4jS",
      "links": [
        [
          "Glass",
          "glass"
        ],
        [
          "rough",
          "rough"
        ],
        [
          "flat",
          "flat"
        ],
        [
          "abrasion",
          "abrasion"
        ],
        [
          "etching",
          "etching"
        ]
      ],
      "synonyms": [
        {
          "word": "ground-glass"
        }
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "translations": [
        {
          "code": "gu",
          "lang": "Gujarati",
          "roman": "ā̃dhaḷo kāc",
          "sense": "glass having a rough, flat surface produced by abrasion or etching",
          "word": "આંધળો કાચ"
        },
        {
          "code": "gu",
          "lang": "Gujarati",
          "roman": "dūdhiyo kāc",
          "sense": "glass having a rough, flat surface produced by abrasion or etching",
          "word": "દૂધિયો કાચ"
        }
      ],
      "wikipedia": [
        "ground glass"
      ]
    }
  ],
  "word": "ground glass"
}

{
  "derived": [
    {
      "word": "ground glass hepatocyte"
    },
    {
      "word": "ground glass joint"
    },
    {
      "word": "ground glass opacity"
    },
    {
      "word": "ground glass screen"
    }
  ],
  "forms": [
    {
      "form": "ground glasses",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "ground glass (countable and uncountable, plural ground glasses)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English uncountable nouns",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Gujarati translations",
        "en:Glass"
      ],
      "glosses": [
        "Glass having a rough, flat surface produced by abrasion or etching."
      ],
      "links": [
        [
          "Glass",
          "glass"
        ],
        [
          "rough",
          "rough"
        ],
        [
          "flat",
          "flat"
        ],
        [
          "abrasion",
          "abrasion"
        ],
        [
          "etching",
          "etching"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "wikipedia": [
        "ground glass"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "ground-glass"
    }
  ],
  "translations": [
    {
      "code": "gu",
      "lang": "Gujarati",
      "roman": "ā̃dhaḷo kāc",
      "sense": "glass having a rough, flat surface produced by abrasion or etching",
      "word": "આંધળો કાચ"
    },
    {
      "code": "gu",
      "lang": "Gujarati",
      "roman": "dūdhiyo kāc",
      "sense": "glass having a rough, flat surface produced by abrasion or etching",
      "word": "દૂધિયો કાચ"
    }
  ],
  "word": "ground glass"
}