Source : Webster's Revised Unabridged Dictionary (1913)

Numismatic \Nu`mis*mat"ic\, Numismatical \Nu`mis*mat"ic*al\, a.
   [L. numisma, nomisma, a piece of money, coin, fr. Gr. ?
   anything sanctioned by usage, the current coin, fr. ? to
   introduce a custom, or usage, fr. ? a custom, or usage, fr. ?
   to distribute, assign: cf. F. numismatique. See {Nomad}.]
   Of or pertaining to coins; relating to the science of coins
   or medals.