"Barlow lens" meaning in English

{
  "etymology_text": "Named after British mathematician and physicist Peter Barlow (1776–1862).",
  "forms": [
    {
      "form": "Barlow lenses",
      "tags": [
        "plural"
      ]
    }
  ],
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    {
      "args": {},
      "expansion": "Barlow lens (plural Barlow lenses)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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          "kind": "topical",
          "langcode": "en",
          "name": "Astronomy",
          "orig": "en:Astronomy",
          "parents": [
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            "Space",
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            "Nature",
            "Fundamental"
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          "kind": "topical",
          "langcode": "en",
          "name": "Optics",
          "orig": "en:Optics",
          "parents": [
            "Physics",
            "Sciences",
            "All topics",
            "Fundamental"
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          "source": "w"
        }
      ],
      "glosses": [
        "A diverging lens which, used in series with other optics in an optical system, increases the effective focal length of an optical system as perceived by all components that are after it in the system."
      ],
      "id": "en-Barlow_lens-en-noun-Jti4YJGq",
      "links": [
        [
          "optics",
          "optics"
        ],
        [
          "astronomy",
          "astronomy"
        ],
        [
          "diverging",
          "diverging"
        ],
        [
          "lens",
          "lens"
        ],
        [
          "optic",
          "optic"
        ],
        [
          "optical",
          "optical"
        ],
        [
          "focal length",
          "focal length"
        ]
      ],
      "raw_glosses": [
        "(optics, astronomy) A diverging lens which, used in series with other optics in an optical system, increases the effective focal length of an optical system as perceived by all components that are after it in the system."
      ],
      "synonyms": [
        {
          "word": "Barlow"
        }
      ],
      "topics": [
        "astronomy",
        "engineering",
        "natural-sciences",
        "optics",
        "physical-sciences",
        "physics"
      ],
      "wikipedia": [
        "Barlow lens",
        "Peter Barlow (mathematician)"
      ]
    }
  ],
  "word": "Barlow lens"
}

{
  "etymology_text": "Named after British mathematician and physicist Peter Barlow (1776–1862).",
  "forms": [
    {
      "form": "Barlow lenses",
      "tags": [
        "plural"
      ]
    }
  ],
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      "expansion": "Barlow lens (plural Barlow lenses)",
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    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        "English nouns",
        "English terms with non-redundant non-automated sortkeys",
        "en:Astronomy",
        "en:Optics"
      ],
      "glosses": [
        "A diverging lens which, used in series with other optics in an optical system, increases the effective focal length of an optical system as perceived by all components that are after it in the system."
      ],
      "links": [
        [
          "optics",
          "optics"
        ],
        [
          "astronomy",
          "astronomy"
        ],
        [
          "diverging",
          "diverging"
        ],
        [
          "lens",
          "lens"
        ],
        [
          "optic",
          "optic"
        ],
        [
          "optical",
          "optical"
        ],
        [
          "focal length",
          "focal length"
        ]
      ],
      "raw_glosses": [
        "(optics, astronomy) A diverging lens which, used in series with other optics in an optical system, increases the effective focal length of an optical system as perceived by all components that are after it in the system."
      ],
      "topics": [
        "astronomy",
        "engineering",
        "natural-sciences",
        "optics",
        "physical-sciences",
        "physics"
      ],
      "wikipedia": [
        "Barlow lens",
        "Peter Barlow (mathematician)"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "Barlow"
    }
  ],
  "word": "Barlow lens"
}