"beta" meaning in Spanish

{
  "etymology_templates": [
    {
      "args": {
        "1": "loanword",
        "2": "Borrowed"
      },
      "expansion": "Borrowed",
      "name": "glossary"
    },
    {
      "args": {
        "1": "es",
        "2": "grc",
        "3": "βῆτα",
        "4": "",
        "5": "",
        "g": "",
        "g2": "",
        "g3": "",
        "id": "",
        "lit": "",
        "nocat": "",
        "pos": "",
        "sc": "",
        "sort": "",
        "tr": "",
        "ts": ""
      },
      "expansion": "Ancient Greek βῆτα (bêta)",
      "name": "bor"
    },
    {
      "args": {
        "1": "es",
        "2": "grc",
        "3": "βῆτα"
      },
      "expansion": "Borrowed from Ancient Greek βῆτα (bêta)",
      "name": "bor+"
    },
    {
      "args": {
        "1": "es",
        "2": "sem-pro",
        "3": "*bayt-",
        "t": "house"
      },
      "expansion": "Proto-Semitic *bayt- (“house”)",
      "name": "der"
    }
  ],
  "etymology_text": "Borrowed from Ancient Greek βῆτα (bêta) ultimately from Proto-Semitic *bayt- (“house”).",
  "forms": [
    {
      "form": "betas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "beta f (plural betas)",
      "name": "es-noun"
    }
  ],
  "hyphenation": [
    "be‧ta"
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "es",
          "name": "Greek letter names",
          "orig": "es:Greek letter names",
          "parents": [
            "Letter names",
            "Letters, symbols, and punctuation",
            "Names",
            "Orthography",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Writing",
            "Fundamental",
            "Nouns",
            "Human behaviour",
            "Language",
            "Lemmas",
            "Human",
            "Communication"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "partícula beta"
        },
        {
          "word": "radiación beta"
        },
        {
          "word": "rayo beta"
        }
      ],
      "glosses": [
        "beta; the Greek letter Β, β"
      ],
      "id": "en-beta-es-noun-DoXsc5Gc",
      "links": [
        [
          "beta",
          "beta#English"
        ],
        [
          "Β",
          "Β"
        ],
        [
          "β",
          "β"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈbeta/"
    },
    {
      "ipa": "[ˈbe.t̪a]"
    },
    {
      "rhymes": "-eta"
    },
    {
      "homophone": "veta"
    }
  ],
  "word": "beta"
}

{
  "categories": [
    "sv:Greek letter names",
    "sv:Vegetables"
  ],
  "derived": [
    {
      "word": "partícula beta"
    },
    {
      "word": "radiación beta"
    },
    {
      "word": "rayo beta"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "loanword",
        "2": "Borrowed"
      },
      "expansion": "Borrowed",
      "name": "glossary"
    },
    {
      "args": {
        "1": "es",
        "2": "grc",
        "3": "βῆτα",
        "4": "",
        "5": "",
        "g": "",
        "g2": "",
        "g3": "",
        "id": "",
        "lit": "",
        "nocat": "",
        "pos": "",
        "sc": "",
        "sort": "",
        "tr": "",
        "ts": ""
      },
      "expansion": "Ancient Greek βῆτα (bêta)",
      "name": "bor"
    },
    {
      "args": {
        "1": "es",
        "2": "grc",
        "3": "βῆτα"
      },
      "expansion": "Borrowed from Ancient Greek βῆτα (bêta)",
      "name": "bor+"
    },
    {
      "args": {
        "1": "es",
        "2": "sem-pro",
        "3": "*bayt-",
        "t": "house"
      },
      "expansion": "Proto-Semitic *bayt- (“house”)",
      "name": "der"
    }
  ],
  "etymology_text": "Borrowed from Ancient Greek βῆτα (bêta) ultimately from Proto-Semitic *bayt- (“house”).",
  "forms": [
    {
      "form": "betas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "beta f (plural betas)",
      "name": "es-noun"
    }
  ],
  "hyphenation": [
    "be‧ta"
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Rhymes:Spanish/eta",
        "Rhymes:Spanish/eta/2 syllables",
        "Spanish 2-syllable words",
        "Spanish countable nouns",
        "Spanish entries with incorrect language header",
        "Spanish feminine nouns",
        "Spanish lemmas",
        "Spanish nouns",
        "Spanish terms borrowed from Ancient Greek",
        "Spanish terms derived from Ancient Greek",
        "Spanish terms derived from Proto-Semitic",
        "Spanish terms with IPA pronunciation",
        "Spanish terms with homophones",
        "es:Greek letter names"
      ],
      "glosses": [
        "beta; the Greek letter Β, β"
      ],
      "links": [
        [
          "beta",
          "beta#English"
        ],
        [
          "Β",
          "Β"
        ],
        [
          "β",
          "β"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈbeta/"
    },
    {
      "ipa": "[ˈbe.t̪a]"
    },
    {
      "rhymes": "-eta"
    },
    {
      "homophone": "veta"
    }
  ],
  "word": "beta"
}