"lactam" meaning in English

See lactam in All languages combined, or Wiktionary

Noun

Forms: lactams [plural]
Etymology: From lac(tone) + am(ide). Etymology templates: {{af|en|lactone|amide|alt1=lac(tone)|alt2=am(ide)|nocat=1}} lac(tone) + am(ide) Head templates: {{en-noun}} lactam (plural lactams)
  1. (organic chemistry) Any of a class of cyclic amides that are the nitrogen analogs of lactones, formed by heating amino acids; the tautomeric enol forms are known as lactims. Wikipedia link: lactam Categories (topical): Organic chemistry Derived forms: β-lactam Related terms: alpha-lactam, beta-lactam Translations (cyclic amides, nitrogen analogs of lactones): laktaami (Finnish), lactame [feminine] (French), lattame [masculine] (Italian), lactama [feminine] (Portuguese)

Inflected forms

Download JSON data for lactam meaning in English (2.5kB)

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "lactone",
        "3": "amide",
        "alt1": "lac(tone)",
        "alt2": "am(ide)",
        "nocat": "1"
      },
      "expansion": "lac(tone) + am(ide)",
      "name": "af"
    }
  ],
  "etymology_text": "From lac(tone) + am(ide).",
  "forms": [
    {
      "form": "lactams",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "lactam (plural lactams)",
      "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"
        },
        {
          "kind": "other",
          "name": "Terms with Finnish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with French translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Italian translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Portuguese translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Organic chemistry",
          "orig": "en:Organic chemistry",
          "parents": [
            "Chemistry",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "β-lactam"
        }
      ],
      "glosses": [
        "Any of a class of cyclic amides that are the nitrogen analogs of lactones, formed by heating amino acids; the tautomeric enol forms are known as lactims."
      ],
      "id": "en-lactam-en-noun-TiZbUPjg",
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "cyclic",
          "cyclic"
        ],
        [
          "amide",
          "amide"
        ],
        [
          "nitrogen",
          "nitrogen"
        ],
        [
          "analog",
          "analog"
        ],
        [
          "lactone",
          "lactone"
        ],
        [
          "amino acid",
          "amino acid"
        ],
        [
          "tautomeric",
          "tautomeric"
        ],
        [
          "enol",
          "enol"
        ],
        [
          "lactim",
          "lactim"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) Any of a class of cyclic amides that are the nitrogen analogs of lactones, formed by heating amino acids; the tautomeric enol forms are known as lactims."
      ],
      "related": [
        {
          "word": "alpha-lactam"
        },
        {
          "word": "beta-lactam"
        }
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "cyclic amides, nitrogen analogs of lactones",
          "word": "laktaami"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "cyclic amides, nitrogen analogs of lactones",
          "tags": [
            "feminine"
          ],
          "word": "lactame"
        },
        {
          "code": "it",
          "lang": "Italian",
          "sense": "cyclic amides, nitrogen analogs of lactones",
          "tags": [
            "masculine"
          ],
          "word": "lattame"
        },
        {
          "code": "pt",
          "lang": "Portuguese",
          "sense": "cyclic amides, nitrogen analogs of lactones",
          "tags": [
            "feminine"
          ],
          "word": "lactama"
        }
      ],
      "wikipedia": [
        "lactam"
      ]
    }
  ],
  "word": "lactam"
}
{
  "derived": [
    {
      "word": "β-lactam"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "lactone",
        "3": "amide",
        "alt1": "lac(tone)",
        "alt2": "am(ide)",
        "nocat": "1"
      },
      "expansion": "lac(tone) + am(ide)",
      "name": "af"
    }
  ],
  "etymology_text": "From lac(tone) + am(ide).",
  "forms": [
    {
      "form": "lactams",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "lactam (plural lactams)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "alpha-lactam"
    },
    {
      "word": "beta-lactam"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "Terms with Finnish translations",
        "Terms with French translations",
        "Terms with Italian translations",
        "Terms with Portuguese translations",
        "en:Organic chemistry"
      ],
      "glosses": [
        "Any of a class of cyclic amides that are the nitrogen analogs of lactones, formed by heating amino acids; the tautomeric enol forms are known as lactims."
      ],
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "cyclic",
          "cyclic"
        ],
        [
          "amide",
          "amide"
        ],
        [
          "nitrogen",
          "nitrogen"
        ],
        [
          "analog",
          "analog"
        ],
        [
          "lactone",
          "lactone"
        ],
        [
          "amino acid",
          "amino acid"
        ],
        [
          "tautomeric",
          "tautomeric"
        ],
        [
          "enol",
          "enol"
        ],
        [
          "lactim",
          "lactim"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) Any of a class of cyclic amides that are the nitrogen analogs of lactones, formed by heating amino acids; the tautomeric enol forms are known as lactims."
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ],
      "wikipedia": [
        "lactam"
      ]
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "cyclic amides, nitrogen analogs of lactones",
      "word": "laktaami"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "cyclic amides, nitrogen analogs of lactones",
      "tags": [
        "feminine"
      ],
      "word": "lactame"
    },
    {
      "code": "it",
      "lang": "Italian",
      "sense": "cyclic amides, nitrogen analogs of lactones",
      "tags": [
        "masculine"
      ],
      "word": "lattame"
    },
    {
      "code": "pt",
      "lang": "Portuguese",
      "sense": "cyclic amides, nitrogen analogs of lactones",
      "tags": [
        "feminine"
      ],
      "word": "lactama"
    }
  ],
  "word": "lactam"
}

This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2024-06-23 from the enwiktionary dump dated 2024-06-20 using wiktextract (1b9bfc5 and 0136956). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.

If you use this data in academic research, please cite Tatu Ylonen: Wiktextract: Wiktionary as Machine-Readable Structured Data, Proceedings of the 13th Conference on Language Resources and Evaluation (LREC), pp. 1317-1325, Marseille, 20-25 June 2022. Linking to the relevant page(s) under https://kaikki.org would also be greatly appreciated.