"β-amino acid" meaning in English

{
  "forms": [
    {
      "form": "β-amino acids",
      "tags": [
        "plural"
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    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "β-amino acid"
      },
      "expansion": "β-amino acid (plural β-amino acids)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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      "alt_of": [
        {
          "word": "beta-amino acid"
        }
      ],
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          "kind": "other",
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        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Amino acids",
          "orig": "en:Amino acids",
          "parents": [
            "Carboxylic acids",
            "Acids",
            "Organic compounds",
            "Matter",
            "Chemistry",
            "Nature",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
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      ],
      "glosses": [
        "Abbreviation of beta-amino acid."
      ],
      "id": "en-β-amino_acid-en-noun-bUtF2qYe",
      "links": [
        [
          "biochemistry",
          "biochemistry"
        ],
        [
          "beta-amino acid",
          "beta-amino acid#English"
        ]
      ],
      "raw_glosses": [
        "(biochemistry) Abbreviation of beta-amino acid."
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ],
      "topics": [
        "biochemistry",
        "biology",
        "chemistry",
        "microbiology",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "β-amino acid"
}

{
  "forms": [
    {
      "form": "β-amino acids",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "β-amino acid"
      },
      "expansion": "β-amino acid (plural β-amino acids)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        {
          "word": "beta-amino acid"
        }
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        "English abbreviations",
        "English countable nouns",
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        "English nouns",
        "English terms spelled with Β",
        "English terms written in multiple scripts",
        "en:Amino acids"
      ],
      "glosses": [
        "Abbreviation of beta-amino acid."
      ],
      "links": [
        [
          "biochemistry",
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          "beta-amino acid",
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      "raw_glosses": [
        "(biochemistry) Abbreviation of beta-amino acid."
      ],
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      "topics": [
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        "biology",
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  ],
  "word": "β-amino acid"
}