"pneumatic trough" meaning in English

{
  "forms": [
    {
      "form": "pneumatic troughs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "pneumatic trough (plural pneumatic troughs)",
      "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"
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          "source": "w"
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          "kind": "other",
          "name": "Terms with Irish translations",
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Chemistry",
          "orig": "en:Chemistry",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2004, Robert E Schofield, The Enlightened Joseph Priestley, Pennsylvania State University, published 2004, page 94:",
          "text": "The pneumatic trough used at Calne was larger than that he had used in Leeds, and fresh water was not so conveniently at hand.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A piece of laboratory apparatus, consisting of a vessel filled with liquid (generally water or mercury), used for collecting gases."
      ],
      "id": "en-pneumatic_trough-en-noun-SGZz34QU",
      "links": [
        [
          "chemistry",
          "chemistry"
        ]
      ],
      "raw_glosses": [
        "(chemistry) A piece of laboratory apparatus, consisting of a vessel filled with liquid (generally water or mercury), used for collecting gases."
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ],
      "translations": [
        {
          "code": "ga",
          "lang": "Irish",
          "sense": "chemistry:a piece of laboratory apparatus used for collecting gases",
          "tags": [
            "masculine"
          ],
          "word": "gásumar"
        },
        {
          "code": "te",
          "lang": "Telugu",
          "roman": "vāyudrōṇi",
          "sense": "chemistry:a piece of laboratory apparatus used for collecting gases",
          "word": "వాయుద్రోణి"
        }
      ],
      "wikipedia": [
        "pneumatic trough"
      ]
    }
  ],
  "word": "pneumatic trough"
}

{
  "forms": [
    {
      "form": "pneumatic troughs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "pneumatic trough (plural pneumatic troughs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "English countable nouns",
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        "English multiword terms",
        "English nouns",
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        "Terms with Irish translations",
        "Terms with Telugu translations",
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      ],
      "examples": [
        {
          "ref": "2004, Robert E Schofield, The Enlightened Joseph Priestley, Pennsylvania State University, published 2004, page 94:",
          "text": "The pneumatic trough used at Calne was larger than that he had used in Leeds, and fresh water was not so conveniently at hand.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A piece of laboratory apparatus, consisting of a vessel filled with liquid (generally water or mercury), used for collecting gases."
      ],
      "links": [
        [
          "chemistry",
          "chemistry"
        ]
      ],
      "raw_glosses": [
        "(chemistry) A piece of laboratory apparatus, consisting of a vessel filled with liquid (generally water or mercury), used for collecting gases."
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ],
      "wikipedia": [
        "pneumatic trough"
      ]
    }
  ],
  "translations": [
    {
      "code": "ga",
      "lang": "Irish",
      "sense": "chemistry:a piece of laboratory apparatus used for collecting gases",
      "tags": [
        "masculine"
      ],
      "word": "gásumar"
    },
    {
      "code": "te",
      "lang": "Telugu",
      "roman": "vāyudrōṇi",
      "sense": "chemistry:a piece of laboratory apparatus used for collecting gases",
      "word": "వాయుద్రోణి"
    }
  ],
  "word": "pneumatic trough"
}