"photopentodes" meaning in English

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  "lang_code": "en",
  "pos": "noun",
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      "examples": [
        {
          "ref": "2016, D. Fujimoto, C. Hearty, “Characterization of the Aging and Excess Noise of a Hamamatsu Fine Mesh Photopentode”, in arXiv",
          "text": "The excess noise factor and the aging characteristics of 16 Hamamatsu R11283 photopentodes have been tested.",
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      "form_of": [
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          "word": "photopentode"
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      "glosses": [
        "plural of photopentode"
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  "word": "photopentodes"
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  "lang_code": "en",
  "pos": "noun",
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        {
          "ref": "2016, D. Fujimoto, C. Hearty, “Characterization of the Aging and Excess Noise of a Hamamatsu Fine Mesh Photopentode”, in arXiv",
          "text": "The excess noise factor and the aging characteristics of 16 Hamamatsu R11283 photopentodes have been tested.",
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      "form_of": [
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          "word": "photopentode"
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      "glosses": [
        "plural of photopentode"
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  "word": "photopentodes"
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