"reducing agent" meaning in English

{
  "forms": [
    {
      "form": "reducing agents",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "reducing agent (plural reducing agents)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Chemistry",
          "orig": "en:Chemistry",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "coordinate_terms": [
        {
          "word": "oxidizing agent"
        }
      ],
      "glosses": [
        "Any substance that reduces, or donates electrons to, another; in so doing, it becomes oxidized."
      ],
      "id": "en-reducing_agent-en-noun-8OOr7zR3",
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "substance",
          "substance"
        ],
        [
          "reduce",
          "reduce"
        ],
        [
          "donate",
          "donate"
        ],
        [
          "electron",
          "electron"
        ],
        [
          "oxidize",
          "oxidize"
        ]
      ],
      "raw_glosses": [
        "(chemistry) Any substance that reduces, or donates electrons to, another; in so doing, it becomes oxidized."
      ],
      "synonyms": [
        {
          "word": "reducer"
        },
        {
          "word": "reductant"
        }
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "any substance that reduces, or donates electrons to, another",
          "word": "pelkistin"
        },
        {
          "code": "el",
          "lang": "Greek",
          "roman": "anagogikó méso",
          "sense": "any substance that reduces, or donates electrons to, another",
          "tags": [
            "neuter"
          ],
          "word": "αναγωγικό μέσο"
        },
        {
          "code": "id",
          "lang": "Indonesian",
          "sense": "any substance that reduces, or donates electrons to, another",
          "word": "bahan pereduksi"
        },
        {
          "code": "ja",
          "lang": "Japanese",
          "roman": "kangen-zai",
          "sense": "any substance that reduces, or donates electrons to, another",
          "word": "還元剤"
        },
        {
          "code": "es",
          "lang": "Spanish",
          "sense": "any substance that reduces, or donates electrons to, another",
          "tags": [
            "masculine"
          ],
          "word": "reductor"
        },
        {
          "code": "tr",
          "lang": "Turkish",
          "sense": "any substance that reduces, or donates electrons to, another",
          "word": "indirge madde"
        }
      ]
    }
  ],
  "word": "reducing agent"
}

{
  "coordinate_terms": [
    {
      "word": "oxidizing agent"
    }
  ],
  "forms": [
    {
      "form": "reducing agents",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "reducing agent (plural reducing agents)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "en:Chemistry"
      ],
      "glosses": [
        "Any substance that reduces, or donates electrons to, another; in so doing, it becomes oxidized."
      ],
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "substance",
          "substance"
        ],
        [
          "reduce",
          "reduce"
        ],
        [
          "donate",
          "donate"
        ],
        [
          "electron",
          "electron"
        ],
        [
          "oxidize",
          "oxidize"
        ]
      ],
      "raw_glosses": [
        "(chemistry) Any substance that reduces, or donates electrons to, another; in so doing, it becomes oxidized."
      ],
      "synonyms": [
        {
          "word": "reducer"
        },
        {
          "word": "reductant"
        }
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "any substance that reduces, or donates electrons to, another",
      "word": "pelkistin"
    },
    {
      "code": "el",
      "lang": "Greek",
      "roman": "anagogikó méso",
      "sense": "any substance that reduces, or donates electrons to, another",
      "tags": [
        "neuter"
      ],
      "word": "αναγωγικό μέσο"
    },
    {
      "code": "id",
      "lang": "Indonesian",
      "sense": "any substance that reduces, or donates electrons to, another",
      "word": "bahan pereduksi"
    },
    {
      "code": "ja",
      "lang": "Japanese",
      "roman": "kangen-zai",
      "sense": "any substance that reduces, or donates electrons to, another",
      "word": "還元剤"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "any substance that reduces, or donates electrons to, another",
      "tags": [
        "masculine"
      ],
      "word": "reductor"
    },
    {
      "code": "tr",
      "lang": "Turkish",
      "sense": "any substance that reduces, or donates electrons to, another",
      "word": "indirge madde"
    }
  ],
  "word": "reducing agent"
}