"kenotron" meaning in English

{
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      "args": {
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        "2": "grc",
        "3": "κενός",
        "4": "",
        "5": "empty"
      },
      "expansion": "Ancient Greek κενός (kenós, “empty”)",
      "name": "der"
    }
  ],
  "etymology_text": "From Ancient Greek κενός (kenós, “empty”) and the modern English suffix -tron, itself from the Ancient Greek -τρον (-tron).",
  "forms": [
    {
      "form": "kenotrons",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "kenotron (plural kenotrons)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms suffixed with -tron",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
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      ],
      "glosses": [
        "A kind of vacuum rectifier, used for the power supply in X-ray equipment."
      ],
      "id": "en-kenotron-en-noun-c~hfAUQD",
      "links": [
        [
          "vacuum",
          "vacuum"
        ],
        [
          "rectifier",
          "rectifier"
        ],
        [
          "X-ray",
          "X-ray"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈkɛn.əˌtɹɒn/",
      "tags": [
        "Received-Pronunciation"
      ]
    },
    {
      "ipa": "/ˈkɛn.əˌtɹɑn/",
      "tags": [
        "General-American"
      ]
    }
  ],
  "word": "kenotron"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "grc",
        "3": "κενός",
        "4": "",
        "5": "empty"
      },
      "expansion": "Ancient Greek κενός (kenós, “empty”)",
      "name": "der"
    }
  ],
  "etymology_text": "From Ancient Greek κενός (kenós, “empty”) and the modern English suffix -tron, itself from the Ancient Greek -τρον (-tron).",
  "forms": [
    {
      "form": "kenotrons",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "kenotron (plural kenotrons)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms derived from Ancient Greek",
        "English terms suffixed with -tron",
        "Pages with 2 entries",
        "Pages with entries"
      ],
      "glosses": [
        "A kind of vacuum rectifier, used for the power supply in X-ray equipment."
      ],
      "links": [
        [
          "vacuum",
          "vacuum"
        ],
        [
          "rectifier",
          "rectifier"
        ],
        [
          "X-ray",
          "X-ray"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈkɛn.əˌtɹɒn/",
      "tags": [
        "Received-Pronunciation"
      ]
    },
    {
      "ipa": "/ˈkɛn.əˌtɹɑn/",
      "tags": [
        "General-American"
      ]
    }
  ],
  "word": "kenotron"
}