"femtosecond" meaning in English

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  "etymology_text": "From femto- + second.",
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      "form": "femtoseconds",
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        "plural"
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          "name": "Metrology",
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          "name": "Time",
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      "examples": [
        {
          "ref": "2012, Mark Cendrowski, The Big Bang Theory, Season 5, Episode 18, \"The Werewolf Transformation\"",
          "text": "Sheldon Cooper: My hair is growing at the rate of 4.6 yoctometers per femtosecond."
        },
        {
          "ref": "2017, D. E. Rivas, A. Borot, D. E. Cardenas, G. Marcus, X. Gu, D. Herrmann, J. Xu, J. Tan, D. Kormin, G. Ma, W. Dallari, G. D. Tsakiris, I. B. Földes, S.-w. Chou, M. Weidman, B. Bergues, T. Wittmann, H. Schröder, P. Tzallas, D. Charalambidis, O. Razskazovskaya, V. Pervak, F. Krausz, L. Veisz, “Next Generation Driver for Attosecond and Laser-plasma Physics”, in Scientific Reports, volume 7, →DOI:",
          "text": "The observation and manipulation of electron dynamics in matter call for attosecond light pulses, routinely available from high-order harmonic generation driven by few-femtosecond lasers.",
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        "An SI unit of time equal to 10⁻¹⁵ seconds. Symbol: fs"
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          "second",
          "second"
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        [
          "fs",
          "fs"
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        "(metrology) An SI unit of time equal to 10⁻¹⁵ seconds. Symbol: fs"
      ],
      "topics": [
        "metrology"
      ],
      "translations": [
        {
          "code": "cs",
          "lang": "Czech",
          "sense": "unit of time, equal to 10−15 second",
          "tags": [
            "feminine"
          ],
          "word": "femtosekunda"
        },
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          "sense": "unit of time, equal to 10−15 second",
          "tags": [
            "feminine"
          ],
          "word": "femtoseconde"
        },
        {
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          "sense": "unit of time, equal to 10−15 second",
          "tags": [
            "feminine"
          ],
          "word": "femtoseconde"
        },
        {
          "code": "hu",
          "lang": "Hungarian",
          "sense": "unit of time, equal to 10−15 second",
          "word": "femtoszekundum"
        },
        {
          "code": "es",
          "lang": "Spanish",
          "sense": "unit of time, equal to 10−15 second",
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            "masculine"
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  "word": "femtosecond"
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  ],
  "etymology_text": "From femto- + second.",
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        },
        {
          "ref": "2017, D. E. Rivas, A. Borot, D. E. Cardenas, G. Marcus, X. Gu, D. Herrmann, J. Xu, J. Tan, D. Kormin, G. Ma, W. Dallari, G. D. Tsakiris, I. B. Földes, S.-w. Chou, M. Weidman, B. Bergues, T. Wittmann, H. Schröder, P. Tzallas, D. Charalambidis, O. Razskazovskaya, V. Pervak, F. Krausz, L. Veisz, “Next Generation Driver for Attosecond and Laser-plasma Physics”, in Scientific Reports, volume 7, →DOI:",
          "text": "The observation and manipulation of electron dynamics in matter call for attosecond light pulses, routinely available from high-order harmonic generation driven by few-femtosecond lasers.",
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        }
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        "(metrology) An SI unit of time equal to 10⁻¹⁵ seconds. Symbol: fs"
      ],
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      "sense": "unit of time, equal to 10−15 second",
      "tags": [
        "feminine"
      ],
      "word": "femtosekunda"
    },
    {
      "code": "nl",
      "lang": "Dutch",
      "sense": "unit of time, equal to 10−15 second",
      "tags": [
        "feminine"
      ],
      "word": "femtoseconde"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "unit of time, equal to 10−15 second",
      "tags": [
        "feminine"
      ],
      "word": "femtoseconde"
    },
    {
      "code": "hu",
      "lang": "Hungarian",
      "sense": "unit of time, equal to 10−15 second",
      "word": "femtoszekundum"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "unit of time, equal to 10−15 second",
      "tags": [
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      ],
      "word": "femtosegundo"
    }
  ],
  "word": "femtosecond"
}