"BET" meaning in English

{
  "etymology_text": "Named after its inventors Brunauer, Emmett and Teller.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "noun"
      },
      "expansion": "BET",
      "name": "head"
    }
  ],
  "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": "topical",
          "langcode": "en",
          "name": "Analytical chemistry",
          "orig": "en:Analytical chemistry",
          "parents": [
            "Chemistry",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "An adsorption technique used to measure the specific surface area of a solid, typically using nitrogen gas at a temperature of 77 K."
      ],
      "id": "en-BET-en-noun-xYK9lOkZ",
      "links": [
        [
          "analytical",
          "analytical"
        ],
        [
          "chemistry",
          "chemistry"
        ],
        [
          "adsorption",
          "adsorption"
        ],
        [
          "specific surface area",
          "specific surface area"
        ],
        [
          "solid",
          "solid"
        ],
        [
          "nitrogen",
          "nitrogen"
        ]
      ],
      "qualifier": "analytical chemistry",
      "raw_glosses": [
        "(analytical chemistry) An adsorption technique used to measure the specific surface area of a solid, typically using nitrogen gas at a temperature of 77 K."
      ]
    }
  ],
  "word": "BET"
}

{
  "etymology_text": "Named after its inventors Brunauer, Emmett and Teller.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "noun"
      },
      "expansion": "BET",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "en:Analytical chemistry"
      ],
      "glosses": [
        "An adsorption technique used to measure the specific surface area of a solid, typically using nitrogen gas at a temperature of 77 K."
      ],
      "links": [
        [
          "analytical",
          "analytical"
        ],
        [
          "chemistry",
          "chemistry"
        ],
        [
          "adsorption",
          "adsorption"
        ],
        [
          "specific surface area",
          "specific surface area"
        ],
        [
          "solid",
          "solid"
        ],
        [
          "nitrogen",
          "nitrogen"
        ]
      ],
      "qualifier": "analytical chemistry",
      "raw_glosses": [
        "(analytical chemistry) An adsorption technique used to measure the specific surface area of a solid, typically using nitrogen gas at a temperature of 77 K."
      ]
    }
  ],
  "word": "BET"
}