polygraphy
Po*lyg"ra*phy, n. Etym: [Gr. polygraphie.] 1. Much writing; writing of many books. [Obs.] Fuller. 2. The art of writing in various ciphers, and of deciphering the same. [R.] 3. The art or practice of using a polygraph.
Po*lyg"ra*phy, n. Etym: [Gr. polygraphie.] 1. Much writing; writing of many books. [Obs.] Fuller. 2. The art of writing in various ciphers, and of deciphering the same. [R.] 3. The art or practice of using a polygraph.