"alpha-amino acid" meaning in English

{
  "forms": [
    {
      "form": "alpha-amino acids",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "alpha-amino acid"
      },
      "expansion": "alpha-amino acid (plural alpha-amino acids)",
      "name": "en-noun"
    }
  ],
  "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"
        },
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          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Portuguese translations",
          "parents": [],
          "source": "w"
        },
        {
          "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"
        }
      ],
      "glosses": [
        "Any amino acid that has the amino and carboxylic functional groups attached to the same carbon atom; especially those amino acids that occur naturally as peptides and proteins."
      ],
      "id": "en-alpha-amino_acid-en-noun-fd-ziG7s",
      "links": [
        [
          "biochemistry",
          "biochemistry"
        ],
        [
          "amino acid",
          "amino acid"
        ],
        [
          "carboxylic",
          "carboxylic"
        ],
        [
          "functional group",
          "functional group"
        ],
        [
          "carbon",
          "carbon"
        ],
        [
          "peptide",
          "peptide"
        ],
        [
          "protein",
          "protein"
        ]
      ],
      "raw_glosses": [
        "(biochemistry) Any amino acid that has the amino and carboxylic functional groups attached to the same carbon atom; especially those amino acids that occur naturally as peptides and proteins."
      ],
      "related": [
        {
          "word": "beta-amino acid"
        }
      ],
      "topics": [
        "biochemistry",
        "biology",
        "chemistry",
        "microbiology",
        "natural-sciences",
        "physical-sciences"
      ],
      "translations": [
        {
          "code": "pt",
          "lang": "Portuguese",
          "sense": "any amino acid that has the amino and carboxylic functional groups attached to the same carbon atom",
          "tags": [
            "masculine"
          ],
          "word": "alfa-aminoácido"
        },
        {
          "code": "pt",
          "lang": "Portuguese",
          "sense": "any amino acid that has the amino and carboxylic functional groups attached to the same carbon atom",
          "tags": [
            "masculine"
          ],
          "word": "alfa aminoácido"
        }
      ]
    }
  ],
  "word": "alpha-amino acid"
}

{
  "forms": [
    {
      "form": "alpha-amino acids",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "alpha-amino acid"
      },
      "expansion": "alpha-amino acid (plural alpha-amino acids)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "beta-amino acid"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Portuguese translations",
        "en:Amino acids"
      ],
      "glosses": [
        "Any amino acid that has the amino and carboxylic functional groups attached to the same carbon atom; especially those amino acids that occur naturally as peptides and proteins."
      ],
      "links": [
        [
          "biochemistry",
          "biochemistry"
        ],
        [
          "amino acid",
          "amino acid"
        ],
        [
          "carboxylic",
          "carboxylic"
        ],
        [
          "functional group",
          "functional group"
        ],
        [
          "carbon",
          "carbon"
        ],
        [
          "peptide",
          "peptide"
        ],
        [
          "protein",
          "protein"
        ]
      ],
      "raw_glosses": [
        "(biochemistry) Any amino acid that has the amino and carboxylic functional groups attached to the same carbon atom; especially those amino acids that occur naturally as peptides and proteins."
      ],
      "topics": [
        "biochemistry",
        "biology",
        "chemistry",
        "microbiology",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "translations": [
    {
      "code": "pt",
      "lang": "Portuguese",
      "sense": "any amino acid that has the amino and carboxylic functional groups attached to the same carbon atom",
      "tags": [
        "masculine"
      ],
      "word": "alfa-aminoácido"
    },
    {
      "code": "pt",
      "lang": "Portuguese",
      "sense": "any amino acid that has the amino and carboxylic functional groups attached to the same carbon atom",
      "tags": [
        "masculine"
      ],
      "word": "alfa aminoácido"
    }
  ],
  "word": "alpha-amino acid"
}