"stereospecific catalyst" meaning in English

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      "expansion": "stereospecific catalyst (plural stereospecific catalysts)",
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  "lang_code": "en",
  "pos": "noun",
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          "name": "Catalysis",
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          "name": "Isomer (chemistry)",
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      ],
      "glosses": [
        "a catalyst that preferentially catalyzes the formation of one of a pair of stereoisomers, or one of a set of stereoisomeric polymers"
      ],
      "id": "en-stereospecific_catalyst-en-noun-K~6Ouif~",
      "links": [
        [
          "physical chemistry",
          "physical chemistry"
        ],
        [
          "stereoisomer",
          "stereoisomer"
        ],
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          "polymer",
          "polymer"
        ]
      ],
      "raw_glosses": [
        "(physical chemistry) a catalyst that preferentially catalyzes the formation of one of a pair of stereoisomers, or one of a set of stereoisomeric polymers"
      ],
      "tags": [
        "physical"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "stereospecific catalyst"
}

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      "tags": [
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  "lang_code": "en",
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        "en:Catalysis",
        "en:Isomer (chemistry)",
        "en:Physical chemistry",
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      "glosses": [
        "a catalyst that preferentially catalyzes the formation of one of a pair of stereoisomers, or one of a set of stereoisomeric polymers"
      ],
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          "physical chemistry",
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        ],
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          "stereoisomer",
          "stereoisomer"
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      "raw_glosses": [
        "(physical chemistry) a catalyst that preferentially catalyzes the formation of one of a pair of stereoisomers, or one of a set of stereoisomeric polymers"
      ],
      "tags": [
        "physical"
      ],
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        "chemistry",
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  "word": "stereospecific catalyst"
}