n. [ Pyro- + -graphy. ] A process of printing, ornamenting, or carving, by burning with heated instruments. One variant is
n. The process of multiplying copies of writings, etc., by means of the papyrograph. --
n. [ Xylo- + Gr. &unr_;, &unr_;, fire + -graphy. ] The art or practice of burning pictures on wood with a hot iron; -- called also
[ 1913 Webster ]