"singlet oxygen" meaning in English

{
  "forms": [
    {
      "form": "singlet oxygens",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "singlet oxygen (plural singlet oxygens)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Mandarin translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Chemistry",
          "orig": "en:Chemistry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Physics",
          "orig": "en:Physics",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "alt": "DSOG",
          "word": "discharge singlet-oxygen generator"
        },
        {
          "alt": "SOG",
          "word": "singlet-oxygen generator"
        },
        {
          "word": "SO"
        }
      ],
      "glosses": [
        "A metastable state of molecular oxygen that has a slightly higher energy than normal triplet oxygen and is more chemically reactive."
      ],
      "id": "en-singlet_oxygen-en-noun-d8nbI4My",
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "chemistry",
          "chemistry"
        ],
        [
          "metastable",
          "metastable"
        ],
        [
          "state",
          "state"
        ],
        [
          "molecular",
          "molecular"
        ],
        [
          "energy",
          "energy"
        ],
        [
          "triplet oxygen",
          "triplet oxygen"
        ],
        [
          "chemically",
          "chemically"
        ],
        [
          "reactive",
          "reactive"
        ]
      ],
      "raw_glosses": [
        "(physics, chemistry) A metastable state of molecular oxygen that has a slightly higher energy than normal triplet oxygen and is more chemically reactive."
      ],
      "synonyms": [
        {
          "word": "SO"
        }
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences",
        "physics"
      ],
      "translations": [
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "lang_code": "cmn",
          "roman": "dānxiàntài yǎng",
          "sense": "chemically reactive molecular oxygen",
          "word": "單線態氧 /单线态氧"
        }
      ]
    }
  ],
  "word": "singlet oxygen"
}

{
  "derived": [
    {
      "alt": "DSOG",
      "word": "discharge singlet-oxygen generator"
    },
    {
      "alt": "SOG",
      "word": "singlet-oxygen generator"
    },
    {
      "word": "SO"
    }
  ],
  "forms": [
    {
      "form": "singlet oxygens",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "singlet oxygen (plural singlet oxygens)",
      "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",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Mandarin translations",
        "en:Chemistry",
        "en:Physics"
      ],
      "glosses": [
        "A metastable state of molecular oxygen that has a slightly higher energy than normal triplet oxygen and is more chemically reactive."
      ],
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "chemistry",
          "chemistry"
        ],
        [
          "metastable",
          "metastable"
        ],
        [
          "state",
          "state"
        ],
        [
          "molecular",
          "molecular"
        ],
        [
          "energy",
          "energy"
        ],
        [
          "triplet oxygen",
          "triplet oxygen"
        ],
        [
          "chemically",
          "chemically"
        ],
        [
          "reactive",
          "reactive"
        ]
      ],
      "raw_glosses": [
        "(physics, chemistry) A metastable state of molecular oxygen that has a slightly higher energy than normal triplet oxygen and is more chemically reactive."
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "SO"
    }
  ],
  "translations": [
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "lang_code": "cmn",
      "roman": "dānxiàntài yǎng",
      "sense": "chemically reactive molecular oxygen",
      "word": "單線態氧 /单线态氧"
    }
  ],
  "word": "singlet oxygen"
}