"grism" meaning in English

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  "etymology_text": "Blend of grating + prism.",
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      "examples": [
        {
          "text": "The advantage of grisms is that the same camera can be used both for imaging (without the grism) and spectroscopy (with the grism) without having to be moved.",
          "type": "example"
        },
        {
          "ref": "1987, Daniel J. Schroeder, Astronomical Optics, Academic Press, page 302:",
          "text": "If this grism is placed in an ƒ/4 beam at s = 120 mm, the plate factor P ≈ 1100 Å/mm.",
          "type": "quote"
        },
        {
          "ref": "1994, T. M. Herbst, J. T. Rayner, “First Experiences With A Solid ZnSe Grism for Near Infrared Astronomy”, in Ian S. McLean, editor, Infrared Astronomy with Arrays, Springer,, page 515:",
          "text": "As the name implies, grisms are a combination of a transmission grating and a prism. One common configuration uses the refraction at the grism surface to redirect nonzero diffractive orders along the original optical path.",
          "type": "quote"
        },
        {
          "ref": "2010, Frederick R. Chromey, To Measure the Sky, Cambridge University Press, page 382:",
          "text": "The grism usually consists of an SR transmission grating mounted on the hypotenuse of a right-angle prism.[…]Volumetric phase holographic grisms, which are capable of relatively high angular dispersions, have begun to appear.",
          "type": "quote"
        }
      ],
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        "A combination of diffraction grating and prism used to obtain spectra from selected parts of an image."
      ],
      "id": "en-grism-en-noun-pgMJDHRL",
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          "diffraction grating",
          "diffraction grating"
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          "prism",
          "prism"
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          "spectra",
          "spectrum"
        ],
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          "image",
          "image"
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      "synonyms": [
        {
          "word": "grating prism"
        }
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          "code": "fr",
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          "sense": "combination of diffraction grating and prism",
          "tags": [
            "masculine"
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          "word": "grisme"
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          "lang": "German",
          "sense": "combination of diffraction grating and prism",
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          "word": "Gitterprisma"
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          "lang": "Italian",
          "sense": "combination of diffraction grating and prism",
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          "word": "grisma"
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  "sounds": [
    {
      "rhymes": "-ɪzəm"
    }
  ],
  "word": "grism"
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          "text": "The advantage of grisms is that the same camera can be used both for imaging (without the grism) and spectroscopy (with the grism) without having to be moved.",
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        },
        {
          "ref": "1987, Daniel J. Schroeder, Astronomical Optics, Academic Press, page 302:",
          "text": "If this grism is placed in an ƒ/4 beam at s = 120 mm, the plate factor P ≈ 1100 Å/mm.",
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        },
        {
          "ref": "1994, T. M. Herbst, J. T. Rayner, “First Experiences With A Solid ZnSe Grism for Near Infrared Astronomy”, in Ian S. McLean, editor, Infrared Astronomy with Arrays, Springer,, page 515:",
          "text": "As the name implies, grisms are a combination of a transmission grating and a prism. One common configuration uses the refraction at the grism surface to redirect nonzero diffractive orders along the original optical path.",
          "type": "quote"
        },
        {
          "ref": "2010, Frederick R. Chromey, To Measure the Sky, Cambridge University Press, page 382:",
          "text": "The grism usually consists of an SR transmission grating mounted on the hypotenuse of a right-angle prism.[…]Volumetric phase holographic grisms, which are capable of relatively high angular dispersions, have begun to appear.",
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        }
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      ],
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      "synonyms": [
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          "word": "grating prism"
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      "sense": "combination of diffraction grating and prism",
      "tags": [
        "masculine"
      ],
      "word": "grisme"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "combination of diffraction grating and prism",
      "tags": [
        "neuter"
      ],
      "word": "Gitterprisma"
    },
    {
      "code": "it",
      "lang": "Italian",
      "sense": "combination of diffraction grating and prism",
      "tags": [
        "masculine"
      ],
      "word": "grisma"
    }
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  "word": "grism"
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