"microcentury" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "micro",
        "3": "century",
        "t1": "1 millionth",
        "t2": "100 years"
      },
      "expansion": "micro- (“1 millionth”) + century (“100 years”)",
      "name": "prefix"
    }
  ],
  "etymology_text": "From micro- (“1 millionth”) + century (“100 years”).",
  "forms": [
    {
      "form": "microcenturies",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "microcentury (plural microcenturies)",
      "name": "en-noun"
    }
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  "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"
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with micro-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Time",
          "orig": "en:Time",
          "parents": [
            "All topics",
            "Fundamental"
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          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1997, Gian-Carlo Rota, “Ten Lessons I Wish I Had Been Taught”, in Indiscrete Thoughts, Springer Science & Business Media, published 2008, page 197",
          "text": "After fifty minutes (one microcentury as von Neumann used to say) everybody's attention will turn elsewhere even if we are trying to prove the Riemann hypothesis.",
          "type": "quotation"
        },
        {
          "ref": "2014, Christoph Schiller, Motion Mountain, edition 27.06, volume IV, page 204",
          "text": "Translate: I was caught in such a traffic jam that I needed a microcentury for a picoparsec and that my car’s fuel consumption was two tenths of a square millimetre.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A unit of time equal to one millionth of a century or approximately one hour (52 minutes and 35.7 seconds)."
      ],
      "id": "en-microcentury-en-noun-W3skHX3R",
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          "equal",
          "equal"
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          "one",
          "one"
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        [
          "millionth",
          "millionth"
        ],
        [
          "century",
          "century"
        ],
        [
          "approximately",
          "approximately"
        ],
        [
          "hour",
          "hour"
        ],
        [
          "minute",
          "minute"
        ],
        [
          "second",
          "second"
        ]
      ],
      "raw_glosses": [
        "(humorous) A unit of time equal to one millionth of a century or approximately one hour (52 minutes and 35.7 seconds)."
      ],
      "tags": [
        "humorous"
      ]
    }
  ],
  "word": "microcentury"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "micro",
        "3": "century",
        "t1": "1 millionth",
        "t2": "100 years"
      },
      "expansion": "micro- (“1 millionth”) + century (“100 years”)",
      "name": "prefix"
    }
  ],
  "etymology_text": "From micro- (“1 millionth”) + century (“100 years”).",
  "forms": [
    {
      "form": "microcenturies",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "microcentury (plural microcenturies)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English humorous terms",
        "English lemmas",
        "English nouns",
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        "English terms with quotations",
        "en:Time"
      ],
      "examples": [
        {
          "ref": "1997, Gian-Carlo Rota, “Ten Lessons I Wish I Had Been Taught”, in Indiscrete Thoughts, Springer Science & Business Media, published 2008, page 197",
          "text": "After fifty minutes (one microcentury as von Neumann used to say) everybody's attention will turn elsewhere even if we are trying to prove the Riemann hypothesis.",
          "type": "quotation"
        },
        {
          "ref": "2014, Christoph Schiller, Motion Mountain, edition 27.06, volume IV, page 204",
          "text": "Translate: I was caught in such a traffic jam that I needed a microcentury for a picoparsec and that my car’s fuel consumption was two tenths of a square millimetre.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A unit of time equal to one millionth of a century or approximately one hour (52 minutes and 35.7 seconds)."
      ],
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          "century",
          "century"
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          "approximately",
          "approximately"
        ],
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          "hour",
          "hour"
        ],
        [
          "minute",
          "minute"
        ],
        [
          "second",
          "second"
        ]
      ],
      "raw_glosses": [
        "(humorous) A unit of time equal to one millionth of a century or approximately one hour (52 minutes and 35.7 seconds)."
      ],
      "tags": [
        "humorous"
      ]
    }
  ],
  "word": "microcentury"
}