"regiochemistry" meaning in English

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  "etymology_text": "From regio- + chemistry.",
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  "lang_code": "en",
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      "glosses": [
        "The chemistry of regioselective reactions"
      ],
      "id": "en-regiochemistry-en-noun-Mr1VAjN3",
      "links": [
        [
          "chemistry",
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        [
          "regioselective",
          "regioselective"
        ],
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          "reaction",
          "reaction"
        ]
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      "raw_glosses": [
        "(chemistry) The chemistry of regioselective reactions"
      ],
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        "uncountable"
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      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
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  "word": "regiochemistry"
}

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  "etymology_text": "From regio- + chemistry.",
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  "lang_code": "en",
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        "The chemistry of regioselective reactions"
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          "chemistry",
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          "regioselective",
          "regioselective"
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        "(chemistry) The chemistry of regioselective reactions"
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