Source : Webster's Revised Unabridged Dictionary (1913)

Graphology \Gra*phol"o*gy\ (Math.)
   The system or notation used in dealing with graphs.

Graphology \Gra*phol"o*gy\, n. [Gr. gra`fein to write + -logy:
   cf. F. graphologie.]
   The art of judging of a person's character, disposition, and
   aptitude from his handwriting.