cerograph

== English == === Etymology === From cero- +‎ -graph. === Noun === cerograph (plural cerographs) A writing on wax. === References === Edward H[enry] Knight (1877), “Cerograph”, in Knight’s American Mechanical Dictionary. […], volumes I (A–GAS), New York, N.Y.: Hurd and Houghton […], →OCLC. “cerograph”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.