"Rochon prism" meaning in All languages combined

{
  "etymology_text": "Invented by Abbé Alexis Marie Rochon.",
  "forms": [
    {
      "form": "Rochon prisms",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Rochon prism (plural Rochon prisms)",
      "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": "English entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A polarizer made from two prisms of a birefringent material such as calcite, which are cemented together."
      ],
      "id": "en-Rochon_prism-en-noun-xLHUo5D5",
      "links": [
        [
          "polarizer",
          "polarizer"
        ],
        [
          "birefringent",
          "birefringent"
        ],
        [
          "calcite",
          "calcite"
        ]
      ]
    }
  ],
  "word": "Rochon prism"
}

{
  "etymology_text": "Invented by Abbé Alexis Marie Rochon.",
  "forms": [
    {
      "form": "Rochon prisms",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Rochon prism (plural Rochon prisms)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "A polarizer made from two prisms of a birefringent material such as calcite, which are cemented together."
      ],
      "links": [
        [
          "polarizer",
          "polarizer"
        ],
        [
          "birefringent",
          "birefringent"
        ],
        [
          "calcite",
          "calcite"
        ]
      ]
    }
  ],
  "word": "Rochon prism"
}