"namely" meaning in Английский

{
  "categories": [
    {
      "kind": "other",
      "name": "Английские наречия",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Английский язык",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Нет сведений о составе слова",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Нужна этимология",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Слова из 6 букв/en",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Уточнение/en",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_text": "От ??",
  "lang": "Английский",
  "lang_code": "en",
  "pos": "adv",
  "senses": [
    {
      "examples": [
        {
          "text": "The most important materials in fusion technology, namely tritium, beryllium, lead, and uranium have been investigated in an infinitive medium."
        }
      ],
      "glosses": [
        "а именно, то есть"
      ],
      "id": "ru-namely-en-adv-5aEpdrPK"
    }
  ],
  "synonyms": [
    {
      "sense_index": 1,
      "word": "videlicet"
    }
  ],
  "word": "namely"
}

{
  "categories": [
    "Английские наречия",
    "Английский язык",
    "Нет сведений о составе слова",
    "Нужна этимология",
    "Слова из 6 букв/en",
    "Уточнение/en"
  ],
  "etymology_text": "От ??",
  "lang": "Английский",
  "lang_code": "en",
  "pos": "adv",
  "senses": [
    {
      "examples": [
        {
          "text": "The most important materials in fusion technology, namely tritium, beryllium, lead, and uranium have been investigated in an infinitive medium."
        }
      ],
      "glosses": [
        "а именно, то есть"
      ]
    }
  ],
  "synonyms": [
    {
      "sense_index": 1,
      "word": "videlicet"
    }
  ],
  "word": "namely"
}