资料来源 : Webster's Revised Unabridged Dictionary (1913)

Historionomer \His*to`ri*on"o*mer\, n. [Gr. ? history + ? to
   distribute.]
   One versed in the phenomena of history and the laws
   controlling them.

         And historionomers will have measured accurately the
         sidereal years of races.                 --Lowell.