"Napier's constant" meaning in English

{
  "etymology_text": "Named after Scottish landowner, mathematician, physicist, and astronomer John Napier (1550–1617), who did, however, not discover it, although natural logarithms (discovered by him) have this number as their base.",
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      "glosses": [
        "Euler's number"
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          "Euler's number"
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      "raw_glosses": [
        "(mathematics) Euler's number"
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{
  "etymology_text": "Named after Scottish landowner, mathematician, physicist, and astronomer John Napier (1550–1617), who did, however, not discover it, although natural logarithms (discovered by him) have this number as their base.",
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        "(mathematics) Euler's number"
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