#second__s____sec  1/60 of a minute; the basic unit of time adopted under the System International d'Unites
  supertype:  #time_unit__unit_of_time  a unit for measuring time periods
  part:  #millisecond
  part of:  #minute
  subtype:  #leap_second  a second (as measured by an atomic clock) added to or subtracted from Greenwich Mean Time in order to compensate for slowing in the Earth's rotation

No statement uses or specializes #second; click here to add one.