| ̷ ̷ ̷ ̷|grafik adjective
1.
a. : voluminous , versatile
a polygraphic writer
b. of a book
(1) : dealing with a wide range of subjects
a polygraphic treatise
(2) : written by several authors or scribes
a polygraphic manuscript
2. : proceeding (as in encipherment) by groups of two or more successive letters at a time
a polygraphic substitution
3. : relating to, produced by, or employing a polygraph
polygraphic examination of the patient
intelligence agency's polygraphic screening program — Dwight MacDonald
• poly·graph·i·cal·ly -fə̇k(ə)lē adverb