"gas chromatograph" meaning in English

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      "form": "gas chromatographs",
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      "expansion": "gas chromatograph (plural gas chromatographs)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "A chromatograph used in gas chromatography"
      ],
      "id": "en-gas_chromatograph-en-noun-bXZKUwop",
      "links": [
        [
          "chromatograph",
          "chromatograph"
        ],
        [
          "gas chromatography",
          "gas chromatography"
        ]
      ]
    }
  ],
  "word": "gas chromatograph"
}

{
  "forms": [
    {
      "form": "gas chromatographs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "expansion": "gas chromatograph (plural gas chromatographs)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      ],
      "glosses": [
        "A chromatograph used in gas chromatography"
      ],
      "links": [
        [
          "chromatograph",
          "chromatograph"
        ],
        [
          "gas chromatography",
          "gas chromatography"
        ]
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  ],
  "word": "gas chromatograph"
}