Definition of polyautography in English:

polyautography

Pronunciation /ˌpɒlɪɔːˈtɒɡrəfi/

noun

rare, historical Printing
  • An early name for: lithography.

    So called because the process was used to produce copies of autographs, original drawings, etc.

Origin

Early 19th century; earliest use found in untitled. From poly- + autograph + -y; compare -graphy.