#millisecond  one thousandth of a second
  supertype:  time_unit__unit_of_time  a unit for measuring time periods
  part:  microsecond
  part of:  second__s____sec  1/60 of a minute; the basic unit of time adopted under the System International d'Unites
     part of:  minute__min  a unit of time equal to 60 seconds or 1/60th of an hour; "he ran a 4 minute mile"
        part of:  hour__hr__60_minutes  a period of time equal to 1/24th of a day; "the job will take more than an hour"
           part of:  day__meansolarday__twenty-four_hours__solar_day  time for Earth to make a complete rotation on its axis; "two days later they left"; "they put on two performances every day"; "there are 30,000 passengers per day"
              part of:  month  a time unit of 30 days; "he was given a month to pay the bill"
                 part of:  year  a period of time occupying a regular part of a calendar year that is used for some particular activity; "a school year"
              part of:  calendar_month__month  one of the twelve divisions of the calendar year; "he paid the bill last month"

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