Source : Webster's Revised Unabridged Dictionary (1913)

Aristotype \A*ris"to*type`\, n. [Gr. ? best + -type.] (Photog.)
   Orig., a printing-out process using paper coated with silver
   chloride in gelatin; now, any such process using silver salts
   in either collodion or gelatin; also, a print so made.