"isocentre" meaning in English

{
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        "3": "centre"
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      "expansion": "iso- + centre",
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  ],
  "etymology_text": "From iso- + centre.",
  "forms": [
    {
      "form": "isocentres",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "isocentre (plural isocentres)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "kind": "other",
          "name": "English entries with incorrect language header",
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          "source": "w"
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      "derived": [
        {
          "word": "isocentric"
        }
      ],
      "examples": [
        {
          "ref": "2015 July 9, Moamen M. O. M. Aly, Gerhard Glatting, Lennart Jahnke, Frederik Wenz, Yasser Abo-Madyan, “Comparison of breast simultaneous integrated boost (SIB) radiotherapy techniques”, in Radiation Oncology (London, England), volume 10, number 1, →DOI, →ISSN, →OCLC:",
          "text": "In this technique, the isocentre was placed on the centre of the PTV boost.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The point through which the central ray of the radiation beam passes"
      ],
      "id": "en-isocentre-en-noun-loVKzeaU",
      "links": [
        [
          "point",
          "point"
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        [
          "radiation",
          "radiation"
        ],
        [
          "beam",
          "beam"
        ]
      ],
      "qualifier": "medical imaging; radiation therapy; medical imaging; radiation therapy",
      "raw_glosses": [
        "(medical imaging, radiation therapy) The point through which the central ray of the radiation beam passes"
      ],
      "synonyms": [
        {
          "word": "isocenter"
        }
      ]
    }
  ],
  "word": "isocentre"
}

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  "derived": [
    {
      "word": "isocentric"
    }
  ],
  "etymology_templates": [
    {
      "args": {
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  ],
  "etymology_text": "From iso- + centre.",
  "forms": [
    {
      "form": "isocentres",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "ref": "2015 July 9, Moamen M. O. M. Aly, Gerhard Glatting, Lennart Jahnke, Frederik Wenz, Yasser Abo-Madyan, “Comparison of breast simultaneous integrated boost (SIB) radiotherapy techniques”, in Radiation Oncology (London, England), volume 10, number 1, →DOI, →ISSN, →OCLC:",
          "text": "In this technique, the isocentre was placed on the centre of the PTV boost.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The point through which the central ray of the radiation beam passes"
      ],
      "links": [
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          "point",
          "point"
        ],
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          "radiation",
          "radiation"
        ],
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      ],
      "qualifier": "medical imaging; radiation therapy; medical imaging; radiation therapy",
      "raw_glosses": [
        "(medical imaging, radiation therapy) The point through which the central ray of the radiation beam passes"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "isocenter"
    }
  ],
  "word": "isocentre"
}