"photogen" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "photo",
        "3": "gen"
      },
      "expansion": "photo- + -gen",
      "name": "confix"
    }
  ],
  "etymology_text": "From photo- + -gen.",
  "forms": [
    {
      "form": "photogens",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "photogen (plural photogens)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Chemistry",
          "orig": "en:Chemistry",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "47 53",
          "kind": "other",
          "name": "English terms prefixed with photo-",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A light hydrocarbon oil resembling kerosene, used as a lubricant, illuminant, etc."
      ],
      "id": "en-photogen-en-noun-xoPfkS9V",
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "hydrocarbon",
          "hydrocarbon"
        ],
        [
          "oil",
          "oil"
        ],
        [
          "kerosene",
          "kerosene"
        ],
        [
          "lubricant",
          "lubricant"
        ],
        [
          "illuminant",
          "illuminant"
        ]
      ],
      "raw_glosses": [
        "(chemistry) A light hydrocarbon oil resembling kerosene, used as a lubricant, illuminant, etc."
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Biology",
          "orig": "en:Biology",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "41 59",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "47 53",
          "kind": "other",
          "name": "English terms prefixed with photo-",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "33 67",
          "kind": "other",
          "name": "English terms suffixed with -gen",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "35 65",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A microorganism that produces phosphorescence."
      ],
      "id": "en-photogen-en-noun-n6gZ63Q6",
      "links": [
        [
          "biology",
          "biology"
        ],
        [
          "microorganism",
          "microorganism"
        ],
        [
          "phosphorescence",
          "phosphorescence"
        ]
      ],
      "raw_glosses": [
        "(biology) A microorganism that produces phosphorescence."
      ],
      "topics": [
        "biology",
        "natural-sciences"
      ]
    }
  ],
  "synonyms": [
    {
      "_dis1": "0 0",
      "word": "photogene"
    }
  ],
  "word": "photogen"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English terms prefixed with photo-",
    "English terms suffixed with -gen",
    "Pages with 1 entry"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "photo",
        "3": "gen"
      },
      "expansion": "photo- + -gen",
      "name": "confix"
    }
  ],
  "etymology_text": "From photo- + -gen.",
  "forms": [
    {
      "form": "photogens",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "photogen (plural photogens)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "en:Chemistry"
      ],
      "glosses": [
        "A light hydrocarbon oil resembling kerosene, used as a lubricant, illuminant, etc."
      ],
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "hydrocarbon",
          "hydrocarbon"
        ],
        [
          "oil",
          "oil"
        ],
        [
          "kerosene",
          "kerosene"
        ],
        [
          "lubricant",
          "lubricant"
        ],
        [
          "illuminant",
          "illuminant"
        ]
      ],
      "raw_glosses": [
        "(chemistry) A light hydrocarbon oil resembling kerosene, used as a lubricant, illuminant, etc."
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    },
    {
      "categories": [
        "en:Biology"
      ],
      "glosses": [
        "A microorganism that produces phosphorescence."
      ],
      "links": [
        [
          "biology",
          "biology"
        ],
        [
          "microorganism",
          "microorganism"
        ],
        [
          "phosphorescence",
          "phosphorescence"
        ]
      ],
      "raw_glosses": [
        "(biology) A microorganism that produces phosphorescence."
      ],
      "topics": [
        "biology",
        "natural-sciences"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "photogene"
    }
  ],
  "word": "photogen"
}