"photodetector" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "photo",
        "3": "detector"
      },
      "expansion": "photo- + detector",
      "name": "prefix"
    }
  ],
  "etymology_text": "From photo- + detector.",
  "forms": [
    {
      "form": "photodetectors",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "photodetector (plural photodetectors)",
      "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": "other",
          "name": "English terms prefixed with photo-",
          "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 Italian translations",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Any device used to detect electromagnetic radiation"
      ],
      "id": "en-photodetector-en-noun-HEGhGqpk",
      "links": [
        [
          "device",
          "device"
        ],
        [
          "detect",
          "detect"
        ],
        [
          "electromagnetic radiation",
          "electromagnetic radiation"
        ]
      ],
      "related": [
        {
          "word": "photoconductive cell"
        },
        {
          "word": "photodiode"
        },
        {
          "word": "photoresistor"
        },
        {
          "word": "photoswitch"
        },
        {
          "word": "phototransistor"
        },
        {
          "word": "phototube"
        },
        {
          "word": "photovoltaic cell"
        }
      ],
      "synonyms": [
        {
          "word": "light-sensitive cell"
        },
        {
          "word": "light-sensitive detector"
        },
        {
          "word": "light sensor photodevice"
        },
        {
          "word": "photodevice"
        },
        {
          "word": "photoelectric detector"
        },
        {
          "word": "photosensor"
        }
      ],
      "translations": [
        {
          "code": "it",
          "lang": "Italian",
          "sense": "Translations",
          "tags": [
            "masculine"
          ],
          "word": "fotorivelatore"
        },
        {
          "code": "it",
          "lang": "Italian",
          "sense": "Translations",
          "tags": [
            "masculine"
          ],
          "word": "fotosensore"
        }
      ],
      "wikipedia": [
        "photodetector"
      ]
    }
  ],
  "word": "photodetector"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "photo",
        "3": "detector"
      },
      "expansion": "photo- + detector",
      "name": "prefix"
    }
  ],
  "etymology_text": "From photo- + detector.",
  "forms": [
    {
      "form": "photodetectors",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "photodetector (plural photodetectors)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "photoconductive cell"
    },
    {
      "word": "photodiode"
    },
    {
      "word": "photoresistor"
    },
    {
      "word": "photoswitch"
    },
    {
      "word": "phototransistor"
    },
    {
      "word": "phototube"
    },
    {
      "word": "photovoltaic cell"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms prefixed with photo-",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Italian translations",
        "Translation table header lacks gloss"
      ],
      "glosses": [
        "Any device used to detect electromagnetic radiation"
      ],
      "links": [
        [
          "device",
          "device"
        ],
        [
          "detect",
          "detect"
        ],
        [
          "electromagnetic radiation",
          "electromagnetic radiation"
        ]
      ],
      "wikipedia": [
        "photodetector"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "light-sensitive cell"
    },
    {
      "word": "light-sensitive detector"
    },
    {
      "word": "light sensor photodevice"
    },
    {
      "word": "photodevice"
    },
    {
      "word": "photoelectric detector"
    },
    {
      "word": "photosensor"
    }
  ],
  "translations": [
    {
      "code": "it",
      "lang": "Italian",
      "sense": "Translations",
      "tags": [
        "masculine"
      ],
      "word": "fotorivelatore"
    },
    {
      "code": "it",
      "lang": "Italian",
      "sense": "Translations",
      "tags": [
        "masculine"
      ],
      "word": "fotosensore"
    }
  ],
  "word": "photodetector"
}