heterography: Meaning and Definition of

het•er•og•ra•phy

Pronunciation: (het"u-rog'ru-fē), [key]
— n.
  1. spelling different from that in current use.
  2. the use of the same letter or combination of letters to represent different sounds, as, in English, the use of s in sit and easy.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.