"pyrrolidone" meaning in English

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  "etymology_text": "From pyrrolidine + -one.",
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      "derived": [
        {
          "word": "polyvinyl pyrrolidone"
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      "glosses": [
        "any of a class of heterocyclic ketones derived from a pyrrolidine; especially 2-pyrrolidone, the simplest γ-lactam"
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          "pyrrolidine",
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          "lactam",
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        "(chemistry) any of a class of heterocyclic ketones derived from a pyrrolidine; especially 2-pyrrolidone, the simplest γ-lactam"
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        "any of a class of heterocyclic ketones derived from a pyrrolidine; especially 2-pyrrolidone, the simplest γ-lactam"
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        "(chemistry) any of a class of heterocyclic ketones derived from a pyrrolidine; especially 2-pyrrolidone, the simplest γ-lactam"
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