"TEF" meaning in All languages combined

{
  "categories": [
    {
      "kind": "other",
      "name": "有1個詞條的頁面",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "英語可數名詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "英語名詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "英語詞元",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "英語",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "英語 毒理學",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "英語首字母縮略詞",
          "parents": [],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "word": "Toxic equivalency factor"
        }
      ],
      "glosses": [
        "Toxic equivalency factor (“毒性当量因子”)之首字母縮略詞。"
      ],
      "id": "zh-TEF-en-noun-egZccRea",
      "raw_tags": [
        "毒理學"
      ],
      "tags": [
        "form-of"
      ]
    }
  ],
  "word": "TEF"
}

{
  "categories": [
    "有1個詞條的頁面",
    "英語 nouns with unknown or uncertain plurals",
    "英語可數名詞",
    "英語名詞",
    "英語詞元"
  ],
  "lang": "英語",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "英語 毒理學",
        "英語首字母縮略詞"
      ],
      "form_of": [
        {
          "word": "Toxic equivalency factor"
        }
      ],
      "glosses": [
        "Toxic equivalency factor (“毒性当量因子”)之首字母縮略詞。"
      ],
      "raw_tags": [
        "毒理學"
      ],
      "tags": [
        "form-of"
      ]
    }
  ],
  "word": "TEF"
}