"silicon tet" meaning in English

{
  "etymology_text": "By expansion from carbon tet",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "silicon tet (uncountable)",
      "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"
        }
      ],
      "glosses": [
        "silicon tetrachloride"
      ],
      "id": "en-silicon_tet-en-noun-VyxdYT1~",
      "links": [
        [
          "silicon tetrachloride",
          "silicon tetrachloride"
        ]
      ],
      "raw_glosses": [
        "(informal) silicon tetrachloride"
      ],
      "tags": [
        "informal",
        "uncountable"
      ]
    }
  ],
  "word": "silicon tet"
}

{
  "etymology_text": "By expansion from carbon tet",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "silicon tet (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English informal terms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English uncountable nouns"
      ],
      "glosses": [
        "silicon tetrachloride"
      ],
      "links": [
        [
          "silicon tetrachloride",
          "silicon tetrachloride"
        ]
      ],
      "raw_glosses": [
        "(informal) silicon tetrachloride"
      ],
      "tags": [
        "informal",
        "uncountable"
      ]
    }
  ],
  "word": "silicon tet"
}