"Raschig ring" meaning in English

{
  "etymology_text": "Named after their inventor, German chemist Friedrich Raschig, who patented them in 1914.",
  "forms": [
    {
      "form": "Raschig rings",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Raschig ring (plural Raschig rings)",
      "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"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
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        }
      ],
      "glosses": [
        "Any of a number of pieces of tube, approximately equal in length and diameter, used to form a packed bed within columns for distillations and other chemical engineering processes."
      ],
      "id": "en-Raschig_ring-en-noun-1zW104aN",
      "links": [
        [
          "distillation",
          "distillation"
        ],
        [
          "chemical engineering",
          "chemical engineering"
        ]
      ]
    }
  ],
  "word": "Raschig ring"
}

{
  "etymology_text": "Named after their inventor, German chemist Friedrich Raschig, who patented them in 1914.",
  "forms": [
    {
      "form": "Raschig rings",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Raschig ring (plural Raschig rings)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "Any of a number of pieces of tube, approximately equal in length and diameter, used to form a packed bed within columns for distillations and other chemical engineering processes."
      ],
      "links": [
        [
          "distillation",
          "distillation"
        ],
        [
          "chemical engineering",
          "chemical engineering"
        ]
      ]
    }
  ],
  "word": "Raschig ring"
}